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1000 results found for “Clathrin”
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Name :
SGTA AntibodyDescription:
Small Glutamine-Rich Tetratricopeptide Repeat-Containing Protein Alpha, Mouse Anti Human
alphaSGT, hSGT, SGT, Vpu-binding protein, UBP, Small glutamine-rich tetratricopeptide repeat-containing protein alpha, Alpha-SGT, SGT1.
Product # :
ANT-631Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- More Info
Formulation
1mg/ml containing PBS, pH-7.4, 10% Glycerol and 0.02% Sodium Azide.
More Info
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Introduction
SGTA is a ubiquitously expressed protein that contains three TPR protein-protein interaction duplicates. SGTA takes part as a component of the androgen receptor (AR)-chaperone-cochaperone complex, functions as a cochaperone and participates in androgen signaling. SGTA binds directly to HSC70 and HSP70 and mediates their ATPase activity. SGTA gene encodes a protein that is able to interact with the chief nonstructural protein of parvovirus H-1 and 70-kDa heat shock cognate. In addition, SGTA interacts with Vpu and Gag from HIV-1, SARS-CoV accessory protein 7a, DNAJC5 and DNAJC5B. Since this transcript is expressed universally in several tissues, SGTA serves a housekeeping function. While being involved in apoptosis and androgen signaling, SGTA is a possible molecule for polycystic ovary syndrome, a disorder characterized by androgen excess, obesity and menstrual disturbances.
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Synonyms
alphaSGT, hSGT, SGT, Vpu-binding protein, UBP, Small glutamine-rich tetratricopeptide repeat-containing protein alpha, Alpha-SGT, SGT1.
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Physical Appearance
Sterile filtered colorless solution.
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Immunogen
Anti-human SGTA mAb, is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with a recombinant human SGTA protein 1-313 amino acids purified from E. coli.
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Ig Subclass
Mouse IgG1 heavy chain and k light chain.
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Clone
PAT19E8AT.
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Applications
The antibody has been tested by ELISA, Western blot analysis, Flow cytometry and ICC/IF to assure specificity and reactivity. Since application varies, however, each investigation should be titrated by the reagent to obtain optimal results.
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Type
Mouse Anti Human Monoclonal.
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Storage Procedures
For periods up to 1 month store at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.
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Purification Method
SGTA antibody was purified from mouse ascitic fluids by protein-A affinity chromatography.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
MIF Human His NDescription:
Macrophage Migration Inhibitory Factor Human, Recombinant His Tag N-Terminus
Phenylpyruvate tautomerase, Glycosylation-inhibiting factor, GIF, MMIF, MIF.
Product # :
CYT-431Price :
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Shipped with Ice Packs
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Description
MIF human Recombinant, fused to 40 a.a. His-tag at N-terminus, was cloned into an E. coli expression vector and was purified to apparent homogeneity by using conventional column chromatography techniques. Macrophage Inducing Factor Human Recombinant ( 1-115 a.a. ) is a single, non-glycosylated, polypeptide chain having a total amino acids of 155 and molecular mass of 17kDa.
Source
Escherichia Coli.
Formulation
1mg/ml solution containing PBS pH-7.4.
Purity
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.More Info
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Introduction
The cytokine Macrophage migration inhibitory factor (MIF) has been identified to be secreted by the pituitary gland and the monocyte/macrophage and to play an important role in endotoxic shock. MIF has the unique property of being released from macrophages and T cells in response to physiological concentrations of glucocorticoids. The secretion of MIF is tightly regulated and decreases at high, anti-inflammatory steroid concentration.
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Synonyms
Phenylpyruvate tautomerase, Glycosylation-inhibiting factor, GIF, MMIF, MIF.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Liquid MIF although stable 4°C for 1 week, should be stored below -18°C. Please prevent freeze-thaw cycles.
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Amino Acid Sequence
MRGSHHHHHHGMASMTGGQQMGRDLYDDDDKDRWGSMPMFIVNTNV PRASVPDGFL SELTQQLAQA TGKPPQYIAV HVVPDQLMAF GGSSEPCALC LHSIGKIGGA QNRSYSKLLC GLLAERLRIS PDRVYINYYD MNAANVGWNN STFA.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
BETV4Description:
Polcalcin Bet v 4 Recombinant
Polcalcin Bet v 4, Calcium-binding pollen allergen Bet v 4, Bet v 4, BETV4.
Product # :
ALR-017Price :
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Shipped with Ice Packs
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Description
Recombinant BETV4 produced in SF9 is a glycosylated, polypeptide chain having a calculated molecular mass of 10,473 Dalton. BETV4 is expressed with a 6xHis tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Sf9 insect cells.
Formulation
BETV4 is supplied in 20mM HEPES buffer pH-7.9 and 6M Urea.
Purity
Greater than 80.0% as determined by SDS-PAGE.
More Info
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Introduction
BETV4 is primarily expressed in mature birch (Betula verrucosa) pollen and Causes an allergic reaction in human. BETV4 is a calcium-binding protein of 2-EF-hand type, which is exists in pollen of various plant species. This cross-reactivity can serve as a marker allergen for plant polysensitization.
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Synonyms
Polcalcin Bet v 4, Calcium-binding pollen allergen Bet v 4, Bet v 4, BETV4.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Avoid multiple freeze-thaw cycles.
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Immunological Functions
1. Binds IgE type human antibodies. 2. Immunodot test with positive/negative sera panels.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
NCL HumanDescription:
Nucleolin Human Recombinant
Nucleolin, Protein C23, NCL, C23.
Product # :
PRO-1508Price :
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Shipped with Ice Packs
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Description
Nucleolin Human Recombinant produced in SF9 is a glycosylated, polypeptide chain containing the C-terminal section of the human nucleolin and missing the N-terminal histone-binding part of nucleolin, having a calculated molecular mass of 55,162 Dalton. NCL is expressed with a -6x His tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Sf9 Insect Cells.
Formulation
NCL is supplied in 20mM HEPES pH-7.3, 600mM NaCl, 0.3mM Tris(2-carboxyethyl)phosphine (TCEP) and 25% glycerol.
Purity
Greater than 80.0% as determined by SDS-PAGE.
More Info
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Introduction
Nucleolin (NCL) which is a eukaryotic nucleolar phosphoprotein, involved in the synthesis and maturation of ribosomes. Nucleolin is the key nucleolar protein of growing eukaryotic cells. NCL is found linked with intranucleolar chromatin and pre-ribosomal particles. NCL induces chromatin decondensation by binding to histone H1. Nucleolin is assumed to have a role in pre-rRNA transcription and ribosome compilation. Nucleolin may also have a role in the process of transcriptional elongation. Nucleolin is located primarily in the dense fibrillar regions of the nucleolus. The Human NCL gene consists of 14 exons with 13 introns and spans approximately 11kb.
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Synonyms
Nucleolin, Protein C23, NCL, C23.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Avoid multiple freeze-thaw cycles.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
M CSF MouseDescription:
Macrophage-Colony Stimulating Factor Mouse Recombinant
CSF-1, Lanimostim, MCSF, M-CSF.
Product # :
CYT-439Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Macrophage Colony Stimulating Factor Mouse Recombinant produced in E.coli is a disulfide linked homodimer, non-glycosylated, polypeptide chain containing 2 x 156 amino acids and having a total molecular mass of 36.4 KD.MCSF is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The protein was lyophilized from a sterile (0.2µm) filtered solution containing 10mM sodium phosphate, 50mM sodium chloride, pH 7.5.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Biological Activity
The ED50, as calculated by the dose-dependant stimulation of the proliferation of murine M-NFS-60 indicator cells is 1.33ng/ml corresponding to a specific activity of 7.5x105 units/mg.
More Info
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Introduction
Granulocyte/Macrophage Colony-Stimulating Factors are cytokines that act in hematopoiesis by controlling the production, differentiation, and function of 2 related white cell populations of the blood, the granulocytes and the monocytes-macrophages. CSF-1 induces cells of the monocyte/macrophage lineage. It plays a role in immunological defenses, bone metabolism, lipoproteins clearance, fertility and pregnancy.
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Synonyms
CSF-1, Lanimostim, MCSF, M-CSF.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized M-CSF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution MCSF should be stored at 4°C between 2-7 days and for future use below -18°C.Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized M-CSF in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
MKEVSEHCSH MIGNGHLKVL QQLIDSQMET SCQIAFEFVD QEQLDDPVCY LKKAFFLVQD IIDETMRFKD NTPNANATER LQELSNNLNS CFTKDYEEQN KACVRTFHET PLQLLEKIKN FFNETKNLLE KDWNIFTKNC NNSFAKCSSR DVVTKP.
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Background
Macrophage-Colony Stimulating Factor Mouse Recombinant: An In-Depth Analysis
Abstract:
Macrophage-Colony Stimulating Factor (M-CSF) is a crucial cytokine involved in the regulation of macrophage biology, including their differentiation, survival, and function. This research paper provides an in-depth analysis of M-CSF Mouse Recombinant, focusing on its structure, signaling pathways, and diverse functions in the context of human research. Additionally, the paper explores the therapeutic potential of M-CSF modulation in various diseases.
Introduction:
M-CSF plays a vital role in the development and maintenance of macrophages, key immune cells involved in innate immunity and tissue homeostasis. This paper aims to provide a comprehensive analysis of M-CSF Mouse Recombinant, highlighting its importance in human macrophage biology and its potential therapeutic applications.
Structure and Function of M-CSF:
M-CSF is a homodimeric protein that binds to its receptor, CSF-1R, leading to the activation of downstream signaling pathways. It regulates the proliferation, survival, and activation of macrophages, influencing immune responses and tissue remodeling processes.
Signaling Pathways:
Upon binding to CSF-1R, M-CSF triggers various intracellular signaling pathways, including the MAPK pathway, PI3K/Akt pathway, and JAK/STAT pathway. These pathways regulate gene expression and mediate cellular responses, impacting macrophage functions.
Role in Macrophage Development and Function:
M-CSF is essential for the differentiation and maturation of macrophages from hematopoietic progenitor cells. It promotes the survival, proliferation, and activation of macrophages, enhancing their phagocytic activity, cytokine production, and antigen presentation capabilities.
Therapeutic Potential:
Given its crucial role in macrophage biology, M-CSF modulation has emerged as a potential therapeutic strategy. M-CSF inhibitors and CSF-1R antagonists have shown promise in the treatment of inflammatory and autoimmune diseases, as well as certain cancers. Targeting M-CSF signaling can modulate immune responses and affect disease progression.
Clinical Applications and Future Directions:
The therapeutic potential of M-CSF modulation is being explored in various clinical settings. Clinical trials investigating M-CSF inhibitors as monotherapy or combination therapy are underway in diseases such as rheumatoid arthritis and cancer. Future research should focus on understanding the intricate mechanisms of M-CSF signaling, optimizing therapeutic strategies, and developing personalized treatment approaches.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Platelet Factor 4 BovineDescription:
Platelet Factor-4 (CXCL4) Bovine Recombinant
CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.
Product # :
CHM-039Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Platelet Factor-4 (CXCL4) Bovine Recombinant produced in E.Coli is a non-glycosylated polypeptide chain containing 88 amino acid and having a molecular mass of approximately 9.5kDa.PF4 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a 0.2μm filtered concentrated solution in 20 mM PB and 500mM NaCl, pH 7.0.
Purity
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The biological activity determined by a chemotaxis bioassay using human neutrophils is 10-100ng/ml.
More Info
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Introduction
Platelet factor-4 is a 70-amino acid protein that is released from the alpha-granules of activated platelets.PF4’s major physiologic role appears to be neutralization of molecules on the endothelial surface of blood vessels, thereby inhibiting local antithrombin III activity and promoting coagulation. As a strong chemoattractant for neutrophils and fibroblasts, PF4 probably has a role in inflammation and wound repair. Oncostatin-A is a member of the CXC chemokine family. Furthermore, it is used as an inhibitor in the angiogenesis during tumor therapy.
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Synonyms
CXCL4, PF-4, PF4, Iroplact, Oncostatin-A, SCYB4, MGC138298.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized CXCL4 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Platelet Factor-4 should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Platelet Factor-4 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
ESSFPATFVP LPADSEGGED EDLQCVCLKT TSGINPRHIS SLEVIGAGTH CPSPQLLATK KTGRKICLDQ QRPLYKKILK KLLDGDES.
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Background
What is the molecular weight/Mw of PLATELET FACTOR 4 BOVINE Protein?
PLATELET FACTOR 4 BOVINE Protein has a total Mw of 9.5kDa.
What is the source or expression system of PLATELET FACTOR 4 BOVINE Protein?
Escherichia Coli.
What is the Purity of PLATELET FACTOR 4 BOVINE Protein?
PLATELET FACTOR 4 BOVINE Protein is > 95% pure as determined by SDS-PAGE.
What is the Biological Activity of PLATELET FACTOR 4 BOVINE Protein?
The biological activity determined by a chemotaxis bioassay using human neutrophils is 10-100ng/ml.
What is the amino acid sequence of PLATELET FACTOR 4 BOVINE Protein?
ESSFPATFVP LPADSEGGED EDLQCVCLKT TSGINPRHIS SLEVIGAGTH CPSPQLLATK KTGRKICLDQ QRPLYKKILK KLLDGDES.
What applications can PLATELET FACTOR 4 BOVINE Protein be used in?
PLATELET FACTOR 4 BOVINE Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for PLATELET FACTOR 4 BOVINE Protein?
The endotoxin level is minimal, PLATELET FACTOR 4 BOVINE Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
TNF alpha humanDescription:
Tumor Necrosis Factor-Alpha Human Recombinant
TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.
Product # :
CYT-223Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Tumor Necrosis Factor-a Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 158 amino acids (157 a.a. of the mature human TNF-alpha and an N-terminal methionine) and having a molecular mass of 17.5kDa. The TNF-alpha is purified by standard chromatographic techniques.
Source
Escherichia Coli.
Formulation
TNF-a Human was lyophilized from a concentrated 1mg/ml solution containing 20mM PB, pH-7.2, and 100mM NaCl.
Purity
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The Specific Activity is >5.0×107 IU/mg as determined by the cytolysis of murine L929 cells in the presence of Actinomycin D.More Info
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Introduction
Tumor necrosis factor is a cytokine involved in systemic inflammation and is a member of a group of cytokines that all stimulate the acute phase reaction. TNF is mainly secreted by macrophages.
TNF causes apoptotic cell death, cellular proliferation, differentiation, inflammation, tumorigenesis and viral replication, TNF is also involved in lipid metabolism, and coagulation. TNF's primary role is in the regulation of immune cells.
Dysregulation and, in particular, overproduction of TNF have been implicated in a variety of human diseases- autoimmune diseases, INS resistance, and cancer. -
Synonyms
TNF-alpha, Tumor necrosis factor ligand superfamily member 2, TNF-a, Cachectin, DIF, TNFA, TNFSF2.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Tumor Necrosis Factor-a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution TNF-a should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Tumor Necrosis Factor-alpha in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
MVRSSSRTPS DKPVAHVVAN PQAEGQLQWL NRRANALLAN GVELRDNQLV VPSEGLYLIY SQVLFKGQGC PSTHVLLTHT ISRIAVSYQT KVNLLSAIKS PCQRETPEGA E AKPWYEPIY LGGVFQLEKG DRLSAEINRP DYLDFAESGQ VYFGIIAL.
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Background
TNF Alpha Human: An Overview of Its Role and Importance in Immunology
TNF alpha human, also known as Tumor Necrosis Factor-alpha, is a critical cytokine in the immune system. Macrophages mainly produce this protein, and it plays a key role in inflammation and the acute phase reaction.
This protein is involved in various cellular functions, including cell death, differentiation, proliferation, and immune regulation.
Production and Properties
Tumor Necrosis Factor-alpha is produced recombinantly in E. coli and consists of a single, non-glycosylated polypeptide chain. It includes 157 amino acids of the mature human TNF-alpha and an N-terminal methionine, resulting in a molecular mass of approximately 17.5 kDa.
Furthermore, the protein is purified through standard chromatographic techniques to ensure high purity and biological activity.
Solubility and Usage
The lyophilized form of TNF appears as a sterile, white powder. It is recommended to reconstitute this powder in sterile water to achieve a solution of no less than 100µg/ml.
This solution can then be further diluted for various experimental applications. TNF alpha is used extensively in research, particularly for studying its effects on cell signaling and immune response.
Storage and Stability
For long-term storage, TNF should be kept desiccated below -18°C. Once reconstituted, it should be used within a week if stored at 4°C or kept below -18°C for future use. Avoiding freeze-thaw cycles is crucial to maintain the protein's functionality.
Biological Role and Implications
TNF alpha human is involved in the regulation of immune cells and is known for its role in inflammatory processes.
Dysregulation of TNF alpha production is linked to various diseases, such as autoimmune disorders, insulin resistance, and cancer. It is also a target for therapeutic interventions, particularly in conditions like rheumatoid arthritis and inflammatory bowel disease.
Mechanism of Action
TNF alpha can induce fever, apoptotic cell death, and can inhibit tumorigenesis and viral replication. Moreover, it is a potent mediator of the acute phase reaction, which influences the activity of various cells involved in systemic inflammation.
Research and Clinical Importance
Scientific research on TNF has provided insights into its complex role in disease mechanisms. Its interaction with receptors such as TNFRSF1A underscores its multifaceted effects across different organ systems, from liver function to brain activity.
Ongoing studies continue to explore its therapeutic potential, especially how it can be modulated to treat diseases without harmful side effects.
In essence, TNF alpha human is a versatile and powerful component of the immune system, important for both health and disease. Understanding its pathways and functions helps scientists develop better treatments for various inflammatory and autoimmune diseases.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Fibronectin HumanDescription:
Fibronectin Human
Product # :
PRO-448Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Human Fibronectin produced purified from Human Plasma having a Molecular Weight of 440kDa.
Source
Human Plasma.
Formulation
The Fibronectin was lyophilized from a non sterile 2mg/ml buffer of 10mM sodium phosphate, pH 7.5 and 0.15M NaCl.
Purity
≥ 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Plasma fibronectin level is elevated in severe coronary artery disease. Increased plasma fibronectin levels are related with venous thromboembolism (VTE) particularly in males, and extend the probable association between biomarkers and risk factors for arterial atherothrombosis and VTE. Fibronectin plays a role in several cellular processes, including tissue repair, embryogenesis, blood clotting, and cell migration/adhesion. Fibronectin consists in two main forms: 1) as an insoluble glycoprotein dimer that serves as a linker in the extracellular matrix and 2) as a soluble disulphide linked dimer found in the plasma. The plasma form is produced by hepatocytes, and the ECM form is synthesized by fibroblasts, chondrocytes, endothelial cells, macrophages, as well as certain epithelial cells. Fibronectin also takes part as a general cell adhesion molecule by anchoring cells to collagen or proteoglycan substrates. Fibronectin organizes cellular interaction with the ECM by binding to different components of the extracellular matrix and to membrane-bound Fibronectin receptors on cell surfaces.
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Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Fibronectin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Fibronectin should be stored at 4°C between 2-7 days and for future use below -18°C.
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Solubility
We suggest reconstituting the 1mg Fibronectin with a chaotropic agent such as urea at room temperature at a concentration of 0.2mg/ml using sterile water. Let stand 1-2 hours. The recommended concentration is 4M-5M urea.
When using the protein as an attachment factor, wash the urea off after attaching the fibronectin to the growth surface (plate or dish).
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
Protein-A/G CysDescription:
Protein A/G Cys Recombinant
Product # :
PRO-1928Price :
Quantity :
Shipping Method :
Shipped at Room temp
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- sds-page, HPLC
Description
Protein-A/G Recombinant produced in E.Coli is a single non-glycosylated polypeptide chain fused with a Cys at C-terminus. Protein-A/G is comprised of 5 IgG-binding regions of protein A (E-D-A-B-C) and 2 of protein G (C1-C3) containing 430 amino acids in total and having a molecular mass of 47.8kDa. Cell wall binding region, cell membrane binding region and albumin binding region have been eliminated from the recombinant Protein A/G to guarantee the maximum specific IgG binding.
Source
Escherichia Coli.
Formulation
Protein-A/G was lyophilized without any additives.
Purity
Greater than 96.0% as determined by:
(a) Analysis by HPLC.
(b) Analysis by SDS-PAGE.sds-page, HPLC
More Info
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Introduction
The recombinant Protein A/G is a genetically engineered protein comprised of 7 IgG-binding domains EDABC-C1C3, corresponding to the Protein A and G domains which are included in the recombinant sequence. The Protein A part is from Staphylococcus aureus segments E, D, A, B and C. The Protein G part is from Streptococcus segments C1 and C3. The recombinant Protein A/G has a broader binding capacity than either Protein A or Protein G alone. The recombinant Protein A/G is ideal for purification of monoclonal or polyclonal IgG antibodies. Protein A/G binds to various human, mouse and rat IgG subclasses such as the human IgG1, IgG2, IgG3, IgG4; mouse IgG2a, IgG2b, IgG3 and rat IgG2a, IgG2c. In addition, Protein A/G binds to total IgG from cow, goat, sheep, horse, rabbit, guinea pig, pig, dog and cat.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Protein-A/G although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Protein-A/G should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Protein-A/G in sterile 18M-cm H2O not less than 0.1mg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
NAAQHDEAQQ NAFYQVLNMP NLNADQRNGF IQSLKDDPSQ SANVLGEAQK LNDSQAPKAD AQQNNFNKDQ QSAFYEILNM PNLNEAQRNG FIQSLKDDPS QSTNVLGEAK KLNESQAPKA DNNFNKEQQN AFYEILNMPN LNEEQRNGFI QSLKDDPSQS ANLLSEAKKL NESQAPKADN KFNKEQQNAF YEILHLPNLN EEQRNGFIQS LKDDPSQSAN LLAEAKKLND AQAPKADNKF NKEQQNAFYE ILHLPNLTEE QRNGFIQSLK DDPSVSKEIL AEAKKLNDAQ APKEEDSLEG SGSGTYKLIL NGKTLKGETT TEAVDAATAE KVFKQYANDN GVDGEWTYDD ATKTFTVTEK PEVIDASELT PAVTTYKLVI NGKTLKGETT TKAVDAETAE KAFKQYANDN GVDGVWTYDD ATKTFTVTEC.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
MBP E.Coli, HisDescription:
Maltose Binding Protein E.coli Recombinant, His Tag
Maltose-binding periplasmic protein, MBP, MMBP, Maltodextrin-binding protein, malE, b4034, JW3994.
Product # :
PRO-2322Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Recombinant E.Coli MBP produced in E.Coli is a single, non-glycosylated polypeptide chain containing 410 amino acids (27-392 a.a) and having a molecular mass of 44.9kDa. MBP is fused to a 24 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
MBP protein solution (0.5mg/ml) containing 20mM Tris-HCl buffer (pH 8.0), 0.1M NaCl and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Maltose Binding Protein is a member of the maltose/maltodextrin system of E.Coli, which is accountable for the uptake and efficient catabolism of maltodextrins. The maltose/maltodextrin is a complex regulatory and transport system involving many proteins and protein complexes.
MBP elevates the yield of its fusion partner in many cases and is often able to promote the solubility of polypeptides to which it is fused. -
Synonyms
Maltose-binding periplasmic protein, MBP, MMBP, Maltodextrin-binding protein, malE, b4034, JW3994.
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Physical Appearance
Sterile Filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMKIEEGK LVIWINGDKG YNGLAEVGKK FEKDTGIKVT VEHPDKLEEK FPQVAATGDG PDIIFWAHDR FGGYAQSGLL AEITPDKAFQ DKLYPFTWDA VRYNGKLIAY PIAVEALSLI YNKDLLPNPP KTWEEIPALD KELKAKGKSA LMFNLQEPYF TWPLIAADGG YAFKYENGKY DIKDVGVDNA GAKAGLTFLV DLIKNKHMNA DTDYSIAEAA FNKGETAMTI NGPWAWSNID TSKVNYGVTV LPTFKGQPSK PFVGVLSAGI NAASPNKELA KEFLENYLLT DEGLEAVNKD KPLGAVALKS YEEELAKDPR IAATMENAQK GEIMPNIPQM SAFWYAVRTA VINAASGRQT VDEALKDAQT NSSSNNNNNN NNNNLGIEGR.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
PentagastrinDescription:
Pentagastrin
Product # :
HOR-045Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Pentagastrin Synthetic is a single, non-glycosylated polypeptide chain containing 5 amino acids, having a molecular mass of 768 Dalton and a Molecular formula of C37H49N7O9S .
Formulation
The protein was lyophilized with no additives.
Purity
Greater than 97.0% as determined by analysis by RP-HPLC.
More Info
-
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
-
Stability
Lyophilized Pentagastrin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Pentagastrin should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Pentagastrin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
Boc-β-Ala-Trp-Met-Asp-Phe-NH2.
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Background
Pentagastrin is a synthetic peptide that has long been recognized for its significant influence on gastric physiology. Its ability to stimulate gastric acid secretion and regulate various aspects of gastrointestinal function has made it a valuable tool in both basic research and clinical practice.
This research aims to comprehensively investigate the multifaceted effects of pentagastrin on the gastrointestinal system, shedding light on its mechanisms of action and potential clinical applications.
The primary objective of this study is to elucidate the mechanisms underlying pentagastrin-induced gastric acid secretion.In vitro experiments using isolated gastric cells or tissue preparations will be conducted to explore the signaling pathways activated by pentagastrin. This will include investigations into the role of intracellular messengers, such as cyclic AMP (cAMP), calcium ions (Ca2+), and protein kinases, in mediating the secretory response.
The second objective is to assess the impact of pentagastrin on gastrointestinal motility. In vivo studies using animal models or human volunteers will be employed to investigate its effects on gastric emptying, intestinal transit, and colonic motility. These experiments may provide insights into the potential use of pentagastrin in the management of gastrointestinal motility disorders.
The third objective is to explore the clinical applications of pentagastrin. Clinical trials and studies involving human subjects will be conducted to evaluate its potential therapeutic uses, such as in the diagnosis and treatment of gastric acid-related disorders, including peptic ulcers and gastroesophageal reflux disease (GERD). Additionally, the safety and efficacy of pentagastrin as an adjunct to medical imaging techniques, such as gastric scintigraphy, will be examined.
By investigating the diverse effects of pentagastrin on the gastrointestinal system, this research aims to enhance our understanding of gastric physiology and its clinical relevance. The findings may lead to improved diagnostic and therapeutic strategies for gastrointestinal disorders, ultimately benefiting patients affected by these conditions.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
SERPINA3 HumanDescription:
Alpha-1 AntiChymotrypsin Human
Alpha-1-antichymotrypsin, ACT, Cell growth-inhibiting gene 24/25 protein, SERPINA3, AACT, A1ACT, GIG24, GIG25, MGC88254.
Product # :
PRO-378Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Human Alpha-1 AntiChymotrypsin produced from normal human serum having a molecular mass of 68kDa.
Source
Human Serum.
Formulation
Lyophilized from 0.02M Tris-buffer,pH-7.5 and 0.15M Nacl.
Purity
Greater than 90.0%.
More Info
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Introduction
Alpha 1 ACT is an early-stage acute-phase plasma protein and a serpin that preferentially inactivates chymotrypsin, cathepsin G, and chymase. Alpha-1- ACT, a serine protease inhibitor, is tightly associated with amyloid plaques in Alzheimer's disease (AD) and in normal aged human and monkey brain.
Regulation of the serine proteases and serine protease inhibitors plays an important role in neuromuscular differentiation. Prostate specific antigen (PSA), a chymotrypsin-like serine protease, is predominantly complexed to Alpha-1-ACT. -
Synonyms
Alpha-1-antichymotrypsin, ACT, Cell growth-inhibiting gene 24/25 protein, SERPINA3, AACT, A1ACT, GIG24, GIG25, MGC88254.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Human SERPINA3 although stable at room temperature for 3 weeks, should be stored between 2-8°C. Do not freeze.
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Solubility
It is recommended to reconstitute the lyophilized human A1ACT in sterile 18MΩ-cm H2O at 1mg/ml, which can then be further diluted to other aqueous solutions.
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Human Virus Test
Starting material tested and found negative for HIV I & II antibodies, Hepatitis B surface antigen, and Hepatitis C antibodies.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
VEGF (121 a.a.) HumanDescription:
Vascular Endothelial Growth Factor (121 a.a.) Human Recombinant
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Product # :
CYT-343Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Vascular Endothelial Growth Factor-121 Human Recombinant produced in E.Coli is a non-glycosylated, polypeptide double chain containing 2x121 amino acids and having a molecular mass of 28.4kDa. VEGF121 circulates more freely than other VEGF forms, which bind more tightly with vascular heparin sulfates.
Source
Escherichia Coli.
Formulation
The protein was lyophilized from a concentrated (1mg/ml) solution with no additives.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
VEGF-121 has full biological activity when compared to standards. The activity is determined by the dose-dependent proliferation of HUVECs and is typically 1-6ng/ml corresponding to a specific activity of 166,667-1,000,000U/mg.
More Info
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Introduction
Vascular endothelial growth factor is an important signaling protein involved in both vasculogenesis and angiogenesis. As its name implies, VEGF activity has been mostly studied on cells of the vascular endothelium, although it does have effects on a number of other cell types (e.g. stimulation monocyte/ macrophagemigration, neurons, cancer cells, kidney epithelial cells ).VEGF mediates increased vascular permeability, induces angiogenesis, vasculogenesis and endothelial cell growth, promotes cell migration, and inhibits apoptosis. In vitro, VEGF has been shown to stimulate endothelial cell mitogenesisand cell migration. VEGF is also a vasodilator and increases microvascular permeability and was originally referred to as vascular permeability factor.
Elevated levels of this protein are linked to POEMS syndrome, also known as Crow-Fukase syndrome. Mutations in this gene have been associated with proliferative and nonproliferative diabetic retinopathy. -
Synonyms
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Vascular Endothelial Growth Factor 121 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF-121 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Vascular Endothelial Growth Factor -121 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
APMAEGGGQN HHEVVKFMDV YQRSYCHPIE TLVDIFQEYP DEIEYIFKPS CVPLMRCGGC CNDEGLECVP TEESNITMQI MRIKPHQGQH IGEMSFLQHN KCECRPKKDR ARQENCDKPR R
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
MED27 HumanDescription:
Mediator Complex Subunit 27 Human Recombinant
Mediator Complex Subunit 27, MED27, CRSP8, Cofactor Required For Sp1 Transcriptional Activation, Subunit 8 34kDa, P37 TRAP/SMCC/PC2 Subunit, Transcriptional Coactivator CRSP34, CRSP34, CRSP Complex Subunit 8, CRAP34, TRAP37, Mediator of RNA Polymerase II Transcription Subunit 27, Cofactor Required For Sp1 Transcriptional Activation Subunit 8.
Product # :
PRO-1946Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
MED27 Human Recombinant produced in E.coli is a single, non-glycosylated polypeptide chain containing 334 amino acids (1-311) and having a molecular mass of 37.8 kDa.MED27 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
E.coli.
Formulation
The MED27 solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 10% glycerol.
Purity
Greater than 80% as determined by SDS-PAGE.
More Info
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Introduction
Mediator Complex Subunit 27 (MED27) is a subunit of the CRSP (cofactor required for SP1 activation) complex, which, together with TFIID, is necessary for efficient activation by SP1. MED27 is a component of the Mediator complex, a coactivator involved in the regulated transcription of virtually all RNA polymerase II-dependent genes. MED27 protein is also a component of other multisubunit complexes such as the thyroid hormone receptor-(TR-) associated proteins which interact with TR and facilitate TR function on DNA templates in conjunction with initiation factors and cofactors. The activation of MED27 gene transcription is a multistep process, which is triggered by factors that identify transcriptional enhancer sites in DNA.
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Synonyms
Mediator Complex Subunit 27, MED27, CRSP8, Cofactor Required For Sp1 Transcriptional Activation, Subunit 8 34kDa, P37 TRAP/SMCC/PC2 Subunit, Transcriptional Coactivator CRSP34, CRSP34, CRSP Complex Subunit 8, CRAP34, TRAP37, Mediator of RNA Polymerase II Transcription Subunit 27, Cofactor Required For Sp1 Transcriptional Activation Subunit 8.
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Physical Appearance
Sterile Filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMADVINV SVNLEAFSQA ISAIQALRSS VSRVFDCLKD GMRNKETLEG REKAFIAHFQ DNLHSVNRDL NELERLSNLV GKPSENHPLH NSGLLSLDPV QDKTPLYSQL LQAYKWSNKL QYHAGLASGL LNQQSLKRSA NQMGVSAKRR PKAQPTTLVL PPQYVDDVIS RIDRMFPEMS IHLSRPNGTS AMLLVTLGKV LKVIVVMRSL FIDRTIVKGY NENVYTEDGK LDIWSKSNYQ VFQKVTDHAT TALLHYQLPQ MPDVVVRSFM TWLRSYIKLF QAPCQRCGKF LQDGLPPTWR DFRTLEAFHD TCRQ.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
CTSZ MouseDescription:
Cathepsin-Z Mouse Recombinant
Cathepsin Z, CTSZ.
Product # :
ENZ-934Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
CTSZ produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 292 amino acids (23-306a.a.) and having a molecular mass of 32.8kDa. (Molecular size on SDS-PAGE will appear at approximately 28-40kDa). CTSZ is expressed with an 8 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
CTSZ protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 95% as determined by SDS-PAGE.
More Info
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Introduction
Cathepsin-Z (CTSZ) is a lysosomal cysteine proteinase and member of the peptidase C1 family. CTSZ, which has been also known as cathepsin X and cathepsin P, exhibits carboxy-monopeptidase and carboxy-dipeptidase activities. CTSZ is expressed ubiquitously in cancer cell lines and primary tumors and, similar to other members of this family, takes part in tumorigenesis.
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Synonyms
Cathepsin Z, CTSZ.
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Physical Appearance
Sterile Filtered clear solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please avoid freeze thaw cycles.
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Amino Acid Sequence
ARARLYFRSG QTCYHPIRGD QLALLGRRTY PRPHEYLSPA DLPKNWDWRN VNGVNYASVT RNQHIPQYCG SCWAHGSTSA MADRINIKRK GAWPSILLSV QNVIDCGNAG SCEGGNDLPV WEYAHKHGIP DETCNNYQAK DQDCDKFNQC GTCTEFKECH TIQNYTLWRV GDYGSLSGRE KMMAEIYANG PISCGIMATE MMSNYTGGIY AEHQDQAVIN HIISVAGWGV SNDGIEYWIV RNSWGEPWGE KGWMRIVTST YKGGTGDSYN LAIESACTFG DPIVLEHHHH HH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
CD81 HumanDescription:
CD81 Human Recombinant
CD81 Molecule, CD81 Antigen (Target Of Antiproliferative Antibody 1), 26 KDa Cell Surface Protein TAPA-1, Tetraspanin-28, CD81 Antigen, Tspan-28, TSPAN28, TAPA1, Target Of The Antiproliferative Antibody 1, CVID6, S5.7, 26 kDa cell surface protein TAPA-1, Target of the antiproliferative antibody 1, Tetraspanin-28, Tspan-28.
Product # :
PRO-2472Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
CD81 produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 331 amino acids (113-201a.a.) and having a molecular mass of 37.0kDa. (Molecular size on SDS-PAGE will appear at approximately 40-57kDa).CD81 is expressed with a 242 amino acid hIgG-His-tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
CD81 protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
CD81 antigen isoform 1, also known as CD81, is part of the tetraspanin family. CD81 interacts directly with immunoglobulin superfamily member 8 (IGSF8, CD316) and CD36. In B cells, CD81 is part of a complex with CD21, CD19 and Leu13. Furthermore, this complex decreases the threshold for B cell activation through B cell receptors by linking Ag specific recognition and CD21 mediator recognition. While on T cells CD81 connects with CD4 and CD8 and provides a costimulatory signal with CD3.
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Synonyms
CD81 Molecule, CD81 Antigen (Target Of Antiproliferative Antibody 1), 26 KDa Cell Surface Protein TAPA-1, Tetraspanin-28, CD81 Antigen, Tspan-28, TSPAN28, TAPA1, Target Of The Antiproliferative Antibody 1, CVID6, S5.7, 26 kDa cell surface protein TAPA-1, Target of the antiproliferative antibody 1, Tetraspanin-28, Tspan-28.
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Physical Appearance
Sterile filtered colorless solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
ADPFVNKDQI AKDVKQFYDQ ALQQAVVDDD ANNAKAVVKT FHETLDCCGS STLTALTTSV LKNNLCPSGS NIISNLFKED CHQKIDDLFS GKLEPKSCDK THTCPPCPAP ELLGGPSVFL FPPKPKDTLM ISRTPEVTCV VVDVSHEDPE VKFNWYVDGV EVHNAKTKPR EEQYNSTYRV VSVLTVLHQD WLNGKEYKCK VSNKALPAPI EKTISKAKGQ PREPQVYTLP PSRDELTKNQ VSLTCLVKGF YPSDIAVEWE SNGQPENNYK TTPPVLDSDG SFFLYSKLTV DKSRWQQGNV FSCSVMHEAL HNHYTQKSLS LSPGKHHHHH H.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
CCL20 MouseDescription:
Macrophage Inflammatory Protein-3 alpha Mouse Recombinant (CCL20)
Small inducible cytokine A20 precursor, CCL20, Macrophage inflammatory protein 3 alpha, MIP-3-alpha, Liver and activation- regulated chemokine, CC chemokine LARC, Beta chemokine exodus-1, CKb4, LARC, ST38, MIP3A, MIP-3a, SCYA20, C-C motif chemokine 20, CC chemokine ST38, exodus-1.
Product # :
CHM-236Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Macrophage Inflammatory Protein-3 alpha Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 70 amino acids and having a molecular mass of 7.9 kDa. The MIP-3a is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a concentrated (1mg/ml) solution in water containing no additives.
Purity
Greater than 95.0% as determined by(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The Activity is calculated by its ability to chemoattract primary human T cells at 2-20ng/ml, corresponding to a specific activity of 50,000-500,000 units/mg.
More Info
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Introduction
CCL20 is a chemotactic factor that draws lymphocytes & neutrophils, rather than monocytes. MIP-3 alpha inhibits proliferation of myeloid progenitors in colony formation assays. MIP3A plays a role in the formation and function of the mucosal lymphoid tissues by attracting lymphocytes and dendritic cells towards epithelial cells. C-terminal processed forms have been shown to be equally chemotactically active for leukocytes. CCL20 holdes antibacterial activity e.coli atcc 25922 and s.aureus atcc 29213. CCL20 gene transcription is activated by H. pylori, which activates NF-kappaB through intracellular signal pathway which involves IkappaB kinase and NF-kappaB-inducing kinase. MIP-3 alpha is invloved in chemokine-mediated lymphocyte trafficking during gastric inflammation in Helicobacter infection. CCL20 expression is involved in the recruitment of CD45R0-positive T cell subsets into the intestinal lamina propria.
MIP-3A is in charge of the advancement of pulpal inflammation through the recruitment of C-C motif Receptor 6-expressing lymphocytes Vaginal epithelial cells respond to factors present in semen by secreting MIP-3 alpha, which increases langerhans cells recruitment during HIV transmission. -
Synonyms
Small inducible cytokine A20 precursor, CCL20, Macrophage inflammatory protein 3 alpha, MIP-3-alpha, Liver and activation- regulated chemokine, CC chemokine LARC, Beta chemokine exodus-1, CKb4, LARC, ST38, MIP3A, MIP-3a, SCYA20, C-C motif chemokine 20, CC chemokine ST38, exodus-1.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized MIP-3a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution CCL-20 should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized MIP-3a in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
ASNYDCCLSY IQTPLPSRAI VGFTRQMADE ACDINAIIFH TKKRKSVCAD PKQNWVKRAV NLLSLRVKKM.
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Background
What is the molecular weight/Mw of CCL20 MOUSE Protein?
CCL20 MOUSE Protein has a total Mw of 7.9kDa.
What is the source or expression system of CCL20 MOUSE Protein?
Escherichia Coli.
What is the Purity of CCL20 MOUSE Protein?
CCL20 MOUSE Protein is > 95% pure as determined by SDS-PAGE.
What is the Biological Activity of CCL20 MOUSE Protein?
The Activity is calculated by its ability to chemoattract primary human T cells at 2-20ng/ml, corresponding to a specific activity of 50,000-500,000 units/mg.
What is the amino acid sequence of CCL20 MOUSE Protein?
ASNYDCCLSY IQTPLPSRAI VGFTRQMADE ACDINAIIFH TKKRKSVCAD PKQNWVKRAV NLLSLRVKKM.
What applications can CCL20 MOUSE Protein be used in?
CCL20 MOUSE Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for CCL20 MOUSE Protein?
The endotoxin level is minimal, CCL20 MOUSE Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
GFRA3 HumanDescription:
GDNF Family Receptor Alpha 3 Human Recombinant
GDNF Family Receptor Alpha3, GDNFR-alpha-3, GFR-alpha-3, GDNF Receptor Alpha-3, GDNFR3, GDNF Family Receptor Alpha-3, Glial Cell Line-Derived Neurotrophic Factor Receptor Alpha-3, GPI-Linked Receptor.
Product # :
CYT-399Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- sds-page
Description
GFRA3 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 366 amino acids (32-374a.a) and having a molecular mass of 40.7kDa.GFRA3 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
GFRA3 protein solution (1mg/ml) containing 20mM Tris-HCl buffer (pH 8.0) 0.4M urea and 10% glycerol.
Purity
Greater than 85% as determined by SDS-PAGE.
sds-page
More Info
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Introduction
GDNF Family Receptor Alpha 3 (GFRA3) belongs to the GDNF receptor family. GFRA3 creates a signaling receptor complex with RET tyrosine kinase receptor and binds the ligand, artemin (ARTN).
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Synonyms
GDNF Family Receptor Alpha3, GDNFR-alpha-3, GFR-alpha-3, GDNF Receptor Alpha-3, GDNFR3, GDNF Family Receptor Alpha-3, Glial Cell Line-Derived Neurotrophic Factor Receptor Alpha-3, GPI-Linked Receptor.
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Physical Appearance
Sterile Filtered clear solution.
-
Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please avoid freeze thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSDPLPTES RLMNSCLQAR RKCQADPTCS AAYHHLDSCT SSISTPLPSE EPSVPADCLE AAQQLRNSSL IGCMCHRRMK NQVACLDIYW TVHRARSLGN YELDVSPYED TVTSKPWKMN LSKLNMLKPD SDLCLKFAML CTLNDKCDRL RKAYGEACSGPHCQRHVCLR QLLTFFEKAA EPHAQGLLLC PCAPNDRGCG ERRRNTIAPN CALPPVAPNC LELRRLCFSD PLCRSRLVDF QTHCHPMDIL GTCATEQSRC LRAYLGLIGT AMTPNFVSNV NTSVALSCTC RGSGNLQEEC EMLEGFFSHN PCLTEAIAAK MRFHSQLFSQ DWPHPTFAVMAHQNEN
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Background
What is the molecular weight/Mw of GFRA3 HUMAN Protein?
GFRA3 HUMAN Protein has a total Mw of 40.7kDa.
What is the source or expression system of GFRA3 HUMAN Protein?
Escherichia Coli.
What is the Purity of GFRA3 HUMAN Protein?
GFRA3 HUMAN Protein is >85% pure as determined by SDS-PAGE.
What is the Biological Activity of GFRA3 HUMAN Protein?
The biological functionality of GFRA3 HUMAN Protein will be determined in the future.
What is the amino acid sequence of GFRA3 HUMAN Protein?
MGSSHHHHHH SSGLVPRGSH MGSDPLPTES RLMNSCLQAR RKCQADPTCS AAYHHLDSCT SSISTPLPSE EPSVPADCLE AAQQLRNSSL IGCMCHRRMK NQVACLDIYW TVHRARSLGN YELDVSPYED TVTSKPWKMN LSKLNMLKPD SDLCLKFAML CTLNDKCDRL RKAYGEACSGPHCQRHVCLR QLLTFFEKAA EPHAQGLLLC PCAPNDRGCG ERRRNTIAPN CALPPVAPNC LELRRLCFSD PLCRSRLVDF QTHCHPMDIL GTCATEQSRC LRAYLGLIGT AMTPNFVSNV NTSVALSCTC RGSGNLQEEC EMLEGFFSHN PCLTEAIAAK MRFHSQLFSQ DWPHPTFAVMAHQNEN
What applications can GFRA3 HUMAN Protein be used in?
GFRA3 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for GFRA3 HUMAN Protein?
The endotoxin level is minimal, GFRA3 HUMAN Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
PPM1A HumanDescription:
Protein Phosphatase 1A Alpha Isoform Human Recombinant
Protein phosphatase 1A, EC 3.1.3.16, Protein phosphatase 2C isoform alpha, PP2C-alpha, IA, PPM1A, PP2CA, MGC9201.
Product # :
PKA-222Price :
Quantity :
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Shipped with Ice Packs
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Description
PPM1A Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 418 amino acids (1-382a.a) and having a molecular mass of 46.6kDa. PPM1A is fused to a 36 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
PPM1A protein solution (1mg/ml) contains 10mM Tris-HCl, pH7.5, 50mM NaCl, 2mM DTT, 1mM MnCl2 and 20% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Protein Phosphatase 2C alpha is a member of the PP2C family of Ser/Thr protein phosphatases. PP2C family members are known to be negative regulators of cell stress response pathways. This phosphatase dephosphorylates, and negatively regulates the activities of, MAP kinases and MAP kinase kinases. It has been shown to inhibit the activation of p38 and JNK kinase cascades induced by environmental stresses. This phosphatase can also dephosphorylate cyclin-dependent kinases, and thus may be involved in cell cycle control. Overexpression of this phosphatase is reported to activate the expression of the tumor suppressor gene TP53/p53, which leads to G2/M cell cycle arrest and apoptosis. Three alternatively spliced transcript variants encoding two distinct isoforms have been described.
Protein phosphatase 2C(PP2C?) is a Mn2+- or Mg2+-dependent protein serine/threonine phosphatase that is essential for regulating cellular stress response in eukaryotes. -
Synonyms
Protein phosphatase 1A, EC 3.1.3.16, Protein phosphatase 2C isoform alpha, PP2C-alpha, IA, PPM1A, PP2CA, MGC9201.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MRGSHHHHHH GMASMTGGQQ MGRDLYDDDD KDRWILMGAF LDKPKMEKHN AQGQGNGLRY GLSSMQGWRV EMEDAHTAVI GLPSGLESWS FFAVYDGHAG SQVAKYCCEH LLDHITNNQD FKGSAGAPSV ENVKNGIRTG FLEIDEHMRV MSEKKHGADR SGSTAVGVLI SPQHTYFINC GDSRGLLCRN RKVHFFTQDH KPSNPLEKER IQNAGGSVMI QRVNGSLAVS RALGDFDYKC VHGKGPTEQL VSPEPEVHDI ERSEEDDQFI ILACDGIWDV MGNEELCDFV RSRLEVTDDL EKVCNEVVDT CLYKGSRDNM SVILICFPNA PKVSPEAVKK EAELDKYLEC RVEEIIKKQG EGVPDLVHVM RTLASENIPS LPPGGELASK RNVIEAVYNR LNPYKNDDTD STSTDDMW.
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Unit Definition
One unit will hydrolyze 1 nanomole of p-nitrophenyl phosphatate (pNPP) per minute at pH 7.5 at 37°C.
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Specific Activity
>1,400 U/mg.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
IFNG MouseDescription:
IFN-Gamma Mouse Recombinant
Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.
Product # :
CYT-358Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
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Description
IFN-gamma Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 134 amino acids and having a molecular mass of 15.6kDa.The IFN-gamma is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a 0.2µm filtered concentrated (1mg/ml) solution in PBS, pH 7.4 and 5% trehalose.
Purity
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The specific activity as determined in a viral resistance assay is < 0.1 ng/ml, corresponding to a specific activity of 10,000,000 IU/mg
More Info
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Introduction
IFN-gamma produced by lymphocytes activated by specific antigens or mitogens.
IFN-gamma, in addition to having antiviral activity, has important immunoregulatory functions, it is a potent activator of macrophages, and has antiproliferative effects on transformed cells and it can potentiate the antiviral and antitumor effects of the type I IFNs. -
Synonyms
Immune IFN, type II IFN, T cell IFN, MAF, IFNG, IFG, IFI, IFN-gamma.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized IFN-gamma although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-gamma should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized IFN-gamma in sterile distilled water or 20mM AcOH at concentrations ranging between 0.1mg-0.5mg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
MHGTVIESLE SLNNYFNSSG IDVEEKSLFL DIWRNWQKDG DMKILQSQII SFYLRLFEVL KDNQAISNNI SVIESHLITT FFSNSKAKKD AFMSIAKFEV NNPQVQRQAF NELIRVVHQL LPESSLRKRK RSRC.
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Background
What is the molecular weight/Mw of IFNG MOUSE Protein?
IFNG MOUSE Protein has a total Mw of 15.6kDa.
What is the source or expression system of IFNG MOUSE Protein?
Escherichia Coli.
What is the Purity of IFNG MOUSE Protein?
IFNG MOUSE Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of IFNG MOUSE Protein?
The specific activity as determined in a viral resistance assay is < 0.1 ng/ml, corresponding to a specific activity of 10,000,000 IU/mg
What is the amino acid sequence of IFNG MOUSE Protein?
MHGTVIESLE SLNNYFNSSG IDVEEKSLFL DIWRNWQKDG DMKILQSQII SFYLRLFEVL KDNQAISNNI SVIESHLITT FFSNSKAKKD AFMSIAKFEV NNPQVQRQAF NELIRVVHQL LPESSLRKRK RSRC.
What applications can IFNG MOUSE Protein be used in?
IFNG MOUSE Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for IFNG MOUSE Protein?
The endotoxin level is minimal, IFNG MOUSE Protein was purified using conventional chromatography techniques.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
MMP 13 HumanDescription:
Matrix Metalloproteinase-13 Human Recombinant
CLG3, MANDP1, Matrix metalloproteinase-13, MMP-13, MMP13.
Product # :
ENZ-317Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
MMP-13 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 391 amino acids (104-471 a.a.) and having a molecular mass of 44.7 kDa. MMP-13 is fused to a 23 amino acid His Tag at N-Terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The MMP-13 solution (0.5mg/ml) contains 20mM Tris-HCl buffer (pH 8.0), 10% glycerol, 0.15M NaCl and 1mM DTT.
Purity
Greater than 85% as determined by SDS-PAGE.
More Info
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Introduction
Matrix Metalloproteinase-13 (MMP-13) is an enzyme that is a member of the MMP extracellular protease family. Extracellular protease enzymes, by virtue of their broad substrate specificities1, play a role in both normal and disease states of tissue proliferation. Among the targets of MMP-13 are collagen, gelatin, entactin, pro-TNF-a, and chemokine SDF-11-4.
MMP-13 is found in its latent form as a 52-56 kDa glycosylated proenzyme. Upon cleavage the 22-46 kDa5 MMP-1 becomes active in extracellular matrix remodeling.
Because of the prominent role that MMP-1 plays in cell migration and metastasis, it is an important target for inhibition screening. -
Synonyms
CLG3, MANDP1, Matrix metalloproteinase-13, MMP-13, MMP13.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSYNVFPRT LKWSKMNLTY RIVNYTPDMT HSEVEKAFKK AFKVWSDVTP LNFTRLHDGI ADIMISFGIK EHGDFYPFDG PSGLLAHAFP PGPNYGGDAH FDDDETWTSS SKGYNLFLVA AHEFGHSLGL DHSKDPGALM FPIYTYTGKS HFMLPDDDVQ GIQSLYGPGD EDPNPKHPKT PDKCDPSLSL DAITSLRGET MIFKDRFFWR LHPQQVDAEL FLTKSFWPEL PNRIDAAYEH PSHDLIFIFR GRKFWALNGY DILEGYPKKI SELGLPKEVK KISAAVHFED TGKTLLFSGN QVWRYDDTNH IMDKDYPRLI EEDFPGIGDK VDAVYEKNGY IYFFNGPIQF EYSIWSNRIV RVMPANSILW C.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
- View Data Sheet
Name :
SARS MERS, Sf9 ActiveDescription:
SARS MERS Spike Recombinant, Sf9 Active
Middle East respiratory syndrome coronavirus, Human betacoronavirus 2c EMC/2012, MERS-CoV, MERS, MERSCoV SP, Spike glycoprotein, S glycoprotein, S, Spike protein, E2, Peplomer protein
Product # :
SARS-061Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
SARS MERS Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 1285 amino acids (18-1296 aa) and having a molecular mass of 141.6kDa. SARS MERS is fused to a 6 amino acid His-tag at C-terminus & purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
The SARS MERS solution (0.25mg/ml) contains 10% glycerol and Phosphate-Buffered Saline (pH 7.4).
Purity
Greater than 85.0% as determined by SDS-PAGE.
Biological Activity
Measured by its binding ability in a functional ELISA with Human DPPIV/CD26 (CAT# enz-1187).
More Info
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Synonyms
Middle East respiratory syndrome coronavirus, Human betacoronavirus 2c EMC/2012, MERS-CoV, MERS, MERSCoV SP, Spike glycoprotein, S glycoprotein, S, Spike protein, E2, Peplomer protein
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks.Store, frozen at -20°C for longer periods of time.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
YVDVGPDSVK SACIEVDIQQ TFFDKTWPRP IDVSKADGII YPQGRTYSNI TITYQGLFPY QGDHGDMYVY SAGHATGTTP QKLFVANYSQ DVKQFANGFV VRIGAAANST GTVIISPSTS ATIRKIYPAF MLGSSVGNFS DGKMGRFFNH TLVLLPDGCG TLLRAFYCIL EPRSGNHCPA GNSYTSFATY HTPATDCSDG NYNRNASLNS FKEYFNLRNC TFMYTYNITE DEILEWFGIT QTAQGVHLFS SRYVDLYGGN MFQFATLPVY DTIKYYSIIP HSIRSIQSDR KAWAAFYVYK LQPLTFLLDF SVDGYIRRAI DCGFNDLSQL HCSYESFDVE SGVYSVSSFE AKPSGSVVEQ AEGVECDFSP LLSGTPPQVY NFKRLVFTNC NYNLTKLLSL FSVNDFTCSQ ISPAAIASNC YSSLILDYFS YPLSMKSDLS VSSAGPISQF NYKQSFSNPT CLILATVPHN LTTITKPLKY SYINKCSRLL SDDRTEVPQL VNANQYSPCV SIVPSTVWED GDYYRKQLSP LEGGGWLVAS GSTVAMTEQL QMGFGITVQY GTDTNSVCPK LEFANDTKIA SQLGNCVEYS LYGVSGRGVF QNCTAVGVRQ QRFVYDAYQN LVGYYSDDGN YYCLRACVSV PVSVIYDKET KTHATLFGSV ACEHISSTMS QYSRSTRSML KRRDSTYGPL QTPVGCVLGL VNSSLFVEDC KLPLGQSLCA LPDTPSTLTP RSVRSVPGEM RLASIAFNHP IQVDQLNSSY FKLSIPTNFS FGVTQEYIQT TIQKVTVDCK QYVCNGFQKC EQLLREYGQF CSKINQALHG ANLRQDDSVR NLFASVKSSQ SSPIIPGFGG DFNLTLLEPV SISTGSRSAR SAIEDLLFDK VTIADPGYMQ GYDDCMQQGP ASARDLICAQ YVAGYKVLPP LMDVNMEAAY TSSLLGSIAG VGWTAGLSSF AAIPFAQSIF YRLNGVGITQ QVLSENQKLI ANKFNQALGA MQTGFTTTNE AFQKVQDAVN NNAQALSKLA SELSNTFGAI SASIGDIIQR LDVLEQDAQI DRLINGRLTT LNAFVAQQLV RSESAALSAQ LAKDKVNECV KAQSKRSGFC GQGTHIVSFV VNAPNGLYFM HVGYYPSNHI EVVSAYGLCD AANPTNCIAP VNGYFIKTNN TRIVDEWSYT GSSFYAPEPI TSLNTKYVAP QVTYQNISTN LPPPLLGNST GIDFQDELDE FFKNVSTSIP NFGSLTQINT TLLDLTYEML SLQQVVKALN ESYIDLKELG NYTYYNKWPH HHHHH.
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Background
Severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) have caused significant outbreaks with severe respiratory illness in recent years. The spike proteins of these viruses play a crucial role in viral entry and host cell recognition. This research aims to explore the structure, function, and implications of SARS and MERS spike proteins in viral pathogenesis and the development of therapeutic interventions. Understanding the mechanisms of viral entry can provide valuable insights into the design of effective antiviral strategies.
Structure and Function of SARS and MERS Spike Proteins:
The spike proteins of SARS-CoV and MERS-CoV are trimeric glycoproteins located on the viral surface. They consist of S1 and S2 subunits, with the S1 subunit responsible for receptor binding and the S2 subunit involved in membrane fusion. The spike proteins contain key domains, including the receptor-binding domain (RBD) and the fusion peptide, which mediate the interactions with host cell receptors and membrane fusion during viral entry.
Interaction with Host Cell Receptors:
The SARS-CoV spike protein primarily interacts with the angiotensin-converting enzyme 2 (ACE2) receptor, which is expressed in various tissues, including the respiratory tract. The binding of the SARS-CoV spike protein to ACE2 is crucial for viral entry into host cells. Similarly, the MERS-CoV spike protein interacts with the dipeptidyl peptidase 4 (DPP4) receptor, which is predominantly expressed in the lungs and other tissues. These receptor interactions determine the host range and tissue tropism of the viruses.
Implications for Viral Pathogenesis:
The interaction between the spike proteins of SARS-CoV and MERS-CoV and their respective receptors initiates a cascade of events leading to viral entry and replication. The binding of the spike protein to the receptor triggers conformational changes that expose the fusion peptide, facilitating membrane fusion and viral entry into host cells. The specificity and affinity of the spike-receptor interaction play a critical role in determining viral tropism, disease severity, and transmission dynamics.
Therapeutic Strategies Targeting Spike Proteins:
The spike proteins of SARS-CoV and MERS-CoV present attractive targets for the development of antiviral interventions. Various approaches have been explored, including the development of neutralizing antibodies that specifically target the spike proteins and inhibit viral entry. Additionally, small molecule inhibitors and peptide-based therapeutics are being investigated to disrupt the spike-receptor interaction and block viral entry. Vaccine development efforts have also focused on generating immune responses against the spike proteins to prevent infection.
Challenges and Future Directions:
Although significant progress has been made in understanding the structure and function of SARS and MERS spike proteins, several challenges remain. The emergence of novel coronavirus variants necessitates continuous surveillance and adaptation of therapeutic strategies. Additionally, potential cross-reactivity and immunogenicity concerns need to be addressed to ensure the safety and efficacy of spike protein-based therapeutics.
Conclusion:
The study of SARS and MERS spike proteins provides valuable insights into the mechanisms of viral entry and pathogenesis. Understanding the interactions between spike proteins and host cell receptors is crucial for the development of effective antiviral strategies. Further research on spike protein structure, receptor binding, and fusion mechanisms is essential to combat current and future coronavirus outbreaks. By unraveling the complexities of viral entry, we can pave the way for the development of novel therapeutics to mitigate the impact of SARS-CoV, MERS-CoV, and related coronaviruses.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
MCSFR HumanDescription:
Colony Stimulating Factor 1 Receptor Human Recombinant
Macrophage colony-stimulating factor 1 receptor, CSF-1 receptor (EC:2.7.10.1), CSF-1-R, CSF-1R, M-CSF-R, Proto-oncogene c-Fms, CD115, CSF1R, FMS.
Product # :
CYT-1068Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
MCSFR produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 737 amino acids (20-517a.a.) and having a molecular mass of 82.1kDa. (Molecular size on SDS-PAGE will appear at approximately 70-100kDa).MCSFR is expressed with a 239 amino acid hIgG-His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
MCSFR protein solution (0.25mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Biological Activity
Measured by its ability to inhibit M-CSF dependent proliferation of M-NFS-60 mouse myelogenous leukemia lymphoblast cells. The ED50 for this effect is less or equal to 100ng/ml in the presence of 10 ng/ml M-CSF.
More Info
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Introduction
MCSFR which is also familiar as CSF1R, is part of the type3 subfamily of receptor tyrosine kinases. MCSFR is expressed mainly on cells of the monocyte and macrophage lineage, stem cells, and in the growing placenta. Most of the biological effects of this cytokine are mediated by MCSFR. MCSFR contains an extracellular ligand-binding domain, a single membrane-spanning segment, and an intracellular tyrosine kinase domain. Originally CSF1 and this receptor were implicated as vital for normal trophoblastic implantation as well as monocyte development. The role of CSF1/CSF1R in normal mammary gland development is actually very interesting since this connection has also been discovered in the biology of breast cancer with the results of abnormal expression of CSF1 and its receptor. Likewise, in Alzheimer's disease and after brain injuries an increased level of CSF1R was found in the microglia, which causes the microglia to become more active.
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Synonyms
Macrophage colony-stimulating factor 1 receptor, CSF-1 receptor (EC:2.7.10.1), CSF-1-R, CSF-1R, M-CSF-R, Proto-oncogene c-Fms, CD115, CSF1R, FMS.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Avoid multiple freeze-thaw cycles.
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Amino Acid Sequence
IPVIEPSVPE LVVKPGATVT LRCVGNGSVE WDGPPSPHWT LYSDGSSSIL STNNATFQNT GTYRCTEPGD PLGGSAAIHL YVKDPARPWN VLAQEVVVFE DQDALLPCLL TDPVLEAGVS LVRVRGRPLM RHTNYSFSPW HGFTIHRAKF IQSQDYQCSA LMGGRKVMSI SIRLKVQKVI PGPPALTLVP AELVRIRGEA AQIVCSASSV DVNFDVFLQH NNTKLAIPQQ SDFHNNRYQK VLTLNLDQVD FQHAGNYSCV ASNVQGKHST SMFFRVVESA YLNLSSEQNL IQEVTVGEGL NLKVMVEAYP GLQGFNWTYL GPFSDHQPEP KLANATTKDT YRHTFTLSLP RLKPSEAGRY SFLARNPGGW RALTFELTLR YPPEVSVIWT FINGSGTLLC AASGYPQPNV TWLQCSGHTD RCDEAQVLQV WDDPYPEVLS QEPFHKVTVQ SLLTVETLEH NQTYECRAHN SVGSGSWAFI PISAGAHTHP PDEFLFTPLE PKSCDKTHTC PPCPAPELLG GPSVFLFPPK PKDTLMISRT PEVTCVVVDV SHEDPEVKFN WYVDGVEVHN AKTKPREEQY NSTYRVVSVL TVLHQDWLNG KEYKCKVSNK ALPAPIEKTI SKAKGQPREP QVYTLPPSRD ELTKNQVSLT CLVKGFYPSD IAVEWESNGQ PENNYKTTPP VLDSDGSFFL YSKLTVDKSR WQQGNVFSCS VMHEALHNHY TQKSLSLSPG KHHHHHH.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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Name :
SARS MembraneDescription:
SARS-Associated Coronavirus Membrane (Matrix), Recombinant
Product # :
SARS-007Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
The E.coli derived recombinant protein contains the Membrane/Matrix protein immunodominant regions fused to 6xHis tag at C-terminal.
Source
Escherichia Coli.
Formulation
SARS Membrane protein solution is supplied in PBS.
Purity
Protein is >90% pure as determined SDS-PAGE.
More Info
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Introduction
SARS Membrane protein is a membranal protein which plays a crucial role in the virus’ life cycle. This protein has 3 outer cell structural antigens, the envelope (E), membrane (M)and spike (S) antigens. SARS Membrane protein is essential to the process of assembly, budding, creation of the envelope and pathogenesis.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
Protein is shipped on ice packs. Upon arrival, Store at -20°C.
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Amino Acid Sequence
S part a.a. 20 to 210RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV CEFQFCNDPF LGVYYHKNNK SWMESEFRVY SSANNCTFEY VSQPFLMDLE GKQGNFKNLR EFVFKNIDGY FKIYSKHTPI E part a.a. 51 to 75AYCCNIVNVS LVKPSFYVYS RVKNLNSSRV PDLLVM part a.a. 100 to 222RLFARTRSMW SFNPETNILL NVPLHGTILT RPLLESELVI GAVILRGHLR IAGHHLGRCD IKDLPKEITV ATSRTLSYYK LGASQRVAGD SGFAAYSRYR IGNYKLNTDH SSSSDNIALL VQ RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV CEFQFCNDPF LGVYYHKNNK SWMESEFRVY SSANNCTFEY VSQPFLMDLE GKQGNFKNLR EFVFKNIDGY FKIYSKHTPI AYCCNIVNVS LVKPSFYVYS RVKNLNSSRV PDLLV
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Specificity
Immunoreactive with sera of SARS-infected individuals.
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Purification Method
Purified by proprietary chromatographic technique.
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.