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Name :
Leptin qA Ovine, PEGDescription:
Leptin Quadruple Antagonist Pegylated Ovine Recombinant
Product # :
CYT-1246Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Leptin Antagonist Quadruple Mutant Ovine Recombinant is a single non-glycosilated polypeptide chain containing 146 amino acids and additional Ala at N-terminus. The Ovine Leptin antagonist was mutated, resulting in D23L/L39A/D40A/F41A mutant. The Ovine Leptin antagonist is bound to 20 kDa mono-PEG at N-terminus, resulting in 35.6 kDa. The Ovine Leptin Quadruple anatagonist Pegylated runs as a 48 kDa due to enlarged hydrodymanic volume. Leptin Antagonist Quadruple Mutant Ovine Recombinant was purified by proprietary chromatographic techniques.
Source
Escherichia coli.
Formulation
The Ovine Leptin Quadruple anatagonist was lyophilized from a concentrated (0.65mg/ml) solution with 0.003mM NaHCO3.
Purity
Greater than 95.0% as determined by:
(a) Gel filtration analysis.
(b) Analysis by SDS-PAGE.
Biological Activity
Pegylated Ovine Leptin Quadruple Antagonist inhibits leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Pegylated recombinant Ovine leptin antagonist in vitro activity is 6-8 fold lower than the non-pegylated recombinant super Ovine leptin antagonist but is 15 fold higher as compared to pegylated recombinant super active ovine leptin antagonist.
More Info
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Physical Appearance
White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Leptin Antagonist Quadruple Mutant Ovine Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 2mM and filter sterilization LEP mutant can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Leptin Antagonist Quadruple Mutant Ovine Recombinant in sterile water or sterile 0.4% NaHCO3adjusted to pH 8-9, not less than 100µg/ml, which can then be further diluted with other aqueous solutions.
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Background
Leptin is mainly produced by adipocytes. Leptin’s main part is to regulate long-term energy balance. Leptin is encoded by the LEP gene. Leptin effects mostly on leptin receptors in the cell mambrane of various cells in the human body. The leptin receptor can be found on a various cell types. The leptin receptor is a single-transmembrane-domain type 1 cytokine receptor. leptin levels influence satiety, appetite and triggers behaviours which save energy. High leptin levels are interpreted by the brain that energy reserves are high, whereas low leptin levels means that energy reserves are low, in the process adapting the organism to starvation through a variety of metabolic, neurobiochemical, endocrine and behavioral change.
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Protein content
Protein quantization was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.2 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
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 :
GoserelinDescription:
Goserelin
Product # :
HOR-256Price :
Quantity :
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Shipped at Room temp
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Description
Goserelin contains 10 amino acids Glu1-His2-Trp3-Ser4-Tyr5-D-Ser(tBu)6-Leu7-Arg8-Pro9-AzGly10-NH2 and having a molecular weight of 1269.43 Dalton.
Formulation
The Goserelin peptide was lyophilized with no additives.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.More Info
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Introduction
Goserelin is a hormone similar to the one normally released from the hypothalamus gland in the brain (GnRH super-agonist). It is used to treat for prostate and breast cancer.
Goserelin decreases the amount of estrogen and testosterone by this treating endometriosis and cancer of the breast, and can help thin the uterus lining before surgery. Goserelin prevents the growth of tissue associated with endometriosis.
Reducing the amount of testosterone is one way of treating prostate cancer. -
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Goserelin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Goserelin 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 Goserelin in sterile 18MΩ-cm H2O not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
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 :
ACVRL1 HumanDescription:
Activin A Receptor Type II-Like 1 Human Recombinant
Activin A Receptor Type II-Like 1, ACVRLK1, ALK1, TGF-B Superfamily Receptor Type I EC 2.7.11.30, TSR-I, ALK-1, HHT2, SKR3 Serine/Threonine-Protein Kinase Receptor R3 Activin A Receptor, Type II-Like Kinase 1, Activin Receptor-Like Kinase 1, EC 2.7.11, ORW2, HHT.
Product # :
CYT-920Price :
Quantity :
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Shipped with Ice Packs
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Description
ACVRL1 produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 103 amino acids (22-118a.a.) and having a molecular mass of 11.5kDa. (Molecular size on SDS-PAGE will appear at approximately 18-28kDa).ACVRL1 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Insect cells.
Formulation
ACVRL1 protein solution (0.25mg/ml) contains phosphate buffered saline (pH7.4) and 10% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Synonyms
Activin A Receptor Type II-Like 1, ACVRLK1, ALK1, TGF-B Superfamily Receptor Type I EC 2.7.11.30, TSR-I, ALK-1, HHT2, SKR3 Serine/Threonine-Protein Kinase Receptor R3 Activin A Receptor, Type II-Like Kinase 1, Activin Receptor-Like Kinase 1, EC 2.7.11, ORW2, HHT.
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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
DPVKPSRGPL VTCTCESPHC KGPTCRGAWC TVVLVREEGR HPQEHRGCGN LHRELCRGRP TEFVNHYCCD SHLCNHNVSL VLEATQPPSEQPGTDGQHHH HHH.
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Background
The Physiological Implications and Therapeutic Potential of Activin A Receptor Type II-Like 1 Human Recombinant
1. Abstract
This research paper investigates the Activin A Receptor Type II-Like 1 Human Recombinant (ACVRL1), a significant protein involved in the TGF-beta superfamily signaling pathway. We provide an extensive understanding of ACVRL1’s structure, signaling mechanism, biological functions, and implications in disease pathology. Additionally, we explore the therapeutic potential of ACVRL1 in various pathological conditions.
2. Introduction
ACVRL1, also known as ALK1, plays an essential role in the TGF-beta signaling pathway, which has implications in cellular proliferation, differentiation, and apoptosis. Understanding ACVRL1 and its signaling mechanisms could provide insights into its potential therapeutic applications in various diseases.
3. Structure and Signaling of ACVRL1
ACVRL1 is a type I receptor protein involved in the TGF-beta signaling pathway. It is a transmembrane protein that consists of a ligand-binding extracellular domain and an intracellular domain responsible for signal transduction. Binding of ligands to ACVRL1 triggers phosphorylation events that activate downstream signaling pathways.
4. Biological Functions of ACVRL1
ACVRL1 plays pivotal roles in multiple biological processes, including vascular development, angiogenesis, and maintenance of vascular integrity. It is known to influence cellular processes such as proliferation, differentiation, and apoptosis, thereby implicating it in organogenesis and homeostasis.
5. ACVRL1 in Disease Pathology
Mutations in the ACVRL1 gene have been associated with hereditary hemorrhagic telangiectasia (HHT), a genetic disorder characterized by abnormal blood vessel formation. This link underscores the critical role of ACVRL1 in vascular biology and disease.
6. Therapeutic Potential of ACVRL1
Given its crucial role in vascular biology and its link to HHT, ACVRL1 presents a promising target for therapeutic interventions. Modulation of ACVRL1 signaling could potentially provide treatment options for pathological conditions related to abnormal blood vessel formation and function.
7. Conclusion and Future Perspectives
Our understanding of ACVRL1 and its functions has grown significantly in recent years, but there is much yet to be discovered. Continued research into ACVRL1's precise molecular mechanisms and its roles in disease will undoubtedly open new doors for therapeutic developmen
What is the molecular weight / Mw of ACVRL1 Protein?
ACVRL1 Protein has a total Mw of 11.5kDa.What is the source or expression system of ACVRL1 Protein?
Sf9, Insect cells.
What is the Purity of ACVRL1 Protein?
ACVRL1 Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of ACVRL1 Protein?
The biological functionality of ACVRL1 Protein will be determined in the future.
What is the amino acid sequence of ACVRL1 Protein?
DPVKPSRGPL VTCTCESPHC KGPTCRGAWC TVVLVREEGR HPQEHRGCGN LHRELCRGRP TEFVNHYCCD SHLCNHNVSL VLEATQPPSEQPGTDGQHHH HHH.
What applications can ACVRL1 Protein be used in?
ACVRL1 Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for ACVRL1 Protein?
The endotoxin level is minimal, ACVRL1 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 :
CDH5 HumanDescription:
Cadherin 5 Human Recombinant
Cadherin 5, VE-Cadherin, Cadherin 5 Type 2 VE-Cadherin (Vascular Epithelium), CDH5, Cadherin 5 Type 2 (Vascular Endothelium), Vascular Endothelial Cadherin, 7B4 Antigen, Endothelial-Specific Cadherin, Cd144 Antigen, CD144 Antigen, Cadherin-5, CD144, 7B4.
Product # :
PRO-2384Price :
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Shipped with Ice Packs
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Description
Cadherin 5 Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 810 amino acids (29-599 a.a.) and having a molecular mass of 91.5kDa (Migrates at 70-100kDa on SDS-PAGE under reducing conditions). CDH5 is expressed with a 239 amino acid hIgG-His-tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Insect cells.
Formulation
CDH5 solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) & 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Introduction
Cadherin-5 (CDH5) belongs to the atypical/type 2 subgroup of Cadherin homophilic adhesion proteins. Cadherin-5 is a calcium-dependent cell-cell adhesion molecule, which is comprised of 5 extracellular cadherin repeats, a transmembrane region and a highly conserved cytoplasmic tail. Cadherin-5 protein plays a role in the formation, maturation and remodeling of the vascular wall. CDH5 is generally considered to be specific for vascular endothelia in which it is either the sole or the predominant cadherin, often co-existing with N-cadherin. Moreover, the CDH5 protein regulates or is regulated by VEGF R2, type 1 and type 2 TGF-beta receptors, and other endothelial junction proteins such as JAM-C, Claudin-5, and N-Cadherin. CDH5 also connects with alpha-catenin forming a link to the cytoskeleton. CDH5 functions jointly with KRIT1 to create and maintain correct endothelial cell polarity and vascular lumen. Furthermore, Cadherin-5 is essential for activation of PRKCZ and for the localization of phosphorylated PRKCZ, PARD3, TIAM1 and RAP1B to the cell junction. The CDH5 gene is located in a gene cluster in a region on the long arm of chromosome 16 which is involved in loss of heterozygosity events in breast and prostate cancer.
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Synonyms
Cadherin 5, VE-Cadherin, Cadherin 5 Type 2 VE-Cadherin (Vascular Epithelium), CDH5, Cadherin 5 Type 2 (Vascular Endothelium), Vascular Endothelial Cadherin, 7B4 Antigen, Endothelial-Specific Cadherin, Cd144 Antigen, CD144 Antigen, Cadherin-5, CD144, 7B4.
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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
NPAQRDTHSL LPTHRRQKRD WIWNQMHIDE EKNTSLPHHV GKIKSSVSRK NAKYLLKGEY VGKVFRVDAE TGDVFAIERL DRENISEYHL TAVIVDKDTG ENLETPSSFT IKVHDVNDNW PVFTHRLFNA SVPESSAVGT SVISVTAVDA DDPTVGDHAS VMYQILKGKE YFAIDNSGRI ITITKSLDRE KQARYEIVVE ARDAQGLRGD SGTATVLVTL QDINDNFPFF TQTKYTFVVP EDTRVGTSVG SLFVEDPDEP QNRMTKYSIL RGDYQDAFTI ETNPAHNEGI IKPMKPLDYE YIQQYSFIVE ATDPTIDLRY MSPPAGNRAQ VIINITDVDE PPIFQQPFYH FQLKENQKKP LIGTVLAMDP DAARHSIGYS IRRTSDKGQF FRVTKKGDIY NEKELDREVY PWYNLTVEAK ELDSTGTPTG KESIVQVHIE VLDENDNAPE FAKPYQPKVC ENAVHGQLVL QISAIDKDIT PRNVKFKFIL NTENNFTLTD NHDNTANITV KYGQFDREHT KVHFLPVVIS DNGMPSRTGT STLTVAVCKC NEQGEFTFCE DMAAQVGVSI QLEPKSCDKT HTCPPCPAPE LLGGPSVFLF PPKPKDTLMI SRTPEVTCVV VDVSHEDPEV KFNWYVDGVE VHNAKTKPRE EQYNSTYRVV SVLTVLHQDW LNGKEYKCKV SNKALPAPIE KTISKAKGQP REPQVYTLPP SRDELTKNQV SLTCLVKGFY PSDIAVEWES NGQPENNYKT TPPVLDSDGS FFLYSKLTVD KSRWQQGNVF SCSVMHEALH NHYTQKSLSL SPGKHHHHHH.
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 :
Eotaxin RatDescription:
Eotaxin Rat Recombinant (CCL11)
Small inducible cytokine A11, CCL11, Eosinophil chemotactic protein, chemokine (C-C motif) ligand 11, SCYA11.
Product # :
CHM-260Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Eotaxin Rat Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 74 amino acids and having a molecular mass of 8.4kDa. The CCL11 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Filtered (0.2µm) and lyophilized from a concentrated (1mg/ml) solution in in 1×PBS, pH7.4.
Purity
Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
Determined by its ability to chemoattract purified blood eosinophils using a concentration range of 0.1-1.0 ug/ml, corresponding to a Specific Activity of 10-100IU/mg.More Info
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Introduction
Chemokine (C-C motif) ligand 11 (CCL11) is a small cytokine belonging to the CC chemokine family that is also known as eotaxin. CCL11 selectively recruits eosinophils by inducing their chemotaxis, and therefore, is implicated in allergic responses. The effects of CCL11 are mediated by its binding to a G-protein-linked receptor known as a chemokine receptor. Chemokine receptors for which CCL11 is a ligand include CCR2, CCR3 and CCR5. The gene for human CCL11 (scya11) is encoded on three exons and is located on chromosome 17.
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Synonyms
Small inducible cytokine A11, CCL11, Eosinophil chemotactic protein, chemokine (C-C motif) ligand 11, SCYA11.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Eotaxin although stable at room temperature for 3 weeks, should be stored desiccated below -18C. Upon reconstitution CCL11 should be stored at 4C between 2-7 days and for future use below -18C.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 Eotaxin in sterile 18M-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
HPGSIPTSCC FTMTSKKIPN TLLKSYKRIT NNRCTLKAIV FKTKLGKEICADPKKKWVQD ATKHLDQKLQ TPKP.
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Background
What is the molecular weight/Mw of EOTAXIN RAT Protein?
EOTAXIN RAT Protein has a total Mw of 8.4kDa.
What is the source or expression system of EOTAXIN RAT Protein?
Escherichia Coli.
What is the Purity of EOTAXIN RAT Protein?
EOTAXIN RAT Protein is >97% pure as determined by SDS-PAGE.
What is the Biological Activity of EOTAXIN RAT Protein?
Determined by its ability to chemoattract purified blood eosinophils using a concentration range of 0.1-1.0 ug/ml, corresponding to a Specific Activity of 10-100IU/mg.
What is the amino acid sequence of EOTAXIN RAT Protein?
HPGSIPTSCC FTMTSKKIPN TLLKSYKRIT NNRCTLKAIV FKTKLGKEICADPKKKWVQD ATKHLDQKLQ TPKP.
What applications can EOTAXIN RAT Protein be used in?
EOTAXIN RAT Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for EOTAXIN RAT Protein?
The endotoxin level is minimal, EOTAXIN RAT 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 :
SRI HumanDescription:
Sorcin Human Recombinant
Sorcin, 22 kDa protein, CP-22, CP22, V19, SRI, SCN, FLJ26259.
Product # :
PRO-166Price :
Quantity :
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Shipped with Ice Packs
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Description
SRI Human Recombinant fused with a 23 amino acid His tag at N-terminus produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 221 amino acids (1-198 a.a.) and having a molecular mass of 24.1kDa. The SRI is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The SRI solution (0.5 mg/ml) contains 20mM Tris-HCl buffer (pH8.0), 40% glycerol, 0.2M NaCl, 1mM DTT and 0.1mM PMSF.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Introduction
Sorcin (SRI) which is a 22kDa calcium-binding protein was originally identified in multidrug-resistant cells. Sorcin, which modulates excitation-contraction coupling in the heart, contributes to calcium homeostasis in the heart sarcoplasmic reticulum.
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Synonyms
Sorcin, 22 kDa protein, CP-22, CP22, V19, SRI, SCN, FLJ26259.
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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 MGSMAYPGHP GAGGGYYPGG YGGAPGGPAF PGQTQDPLYG YFAAVAGQDG QIDADELQRC LTQSGIAGGY KPFNLETCRL MVSMLDRDMS GTMGFNEFKE LWAVLNGWRQ HFISFDTDRS GTVDPQELQK ALTTMGFRLS PQAVNSIAKR YSTNGKITFD DYIACCVKLR ALTDSFRRRD TAQQGVVNFP YDDFIQCVMS V.
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 :
FSCN1 HumanDescription:
Recombinant Human Fascin
Strongylocentrotus Purpuratus, actin-bundling protein, FAN1, HSN, SNL.
Product # :
PRO-527Price :
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Shipped with Ice Packs
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Description
FSCN1 Recombinant Human produced in E.Coli is a single, non-glycosylated polypeptide chain containing 513 amino acids (1-493 a.a.) and having a molecular mass of 56.7 kDa. The FSCN1 is fused to a 20 amino acid His-Tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
1mg/ml solution containing 20mM Tris pH-8, 2mM DTT, 0.1M NaCl & 20% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
FSCN1 is an actin-bundling protein that is responsible for rigidity to filopodial bundles to efficiently push the membrane forward during cytoskeleton remodeling and cell migration. FSCN1 takes part in the gathering of actin filament bundles present in microspikes, membrane ruffles, and stress fibers. FSCN1 is absent from most normal epithelia though is upregulated in multiple forms of human carcinoma, where its expression associates clinically with a poor prognosis. FSCN1 expression is abundantly found in neurons, glial cells, and endothelial cells.
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Synonyms
Strongylocentrotus Purpuratus, actin-bundling protein, FAN1, HSN, SNL.
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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 MTANGTAEAV QIQFGLINCG NKYLTAEAFG FKVNASASSL KKKQIWTLEQ PPDEAGSAAV CLRSHLGRYL
AADKDGNVTC EREVPGPDCR FLIVAHDDGR WSLQSEAHRR YFGGTEDRLS CFAQTVSPAE KWSVHIAMHP QVNIYSVTRK RYAHLSARPA
DEIAVDRDVP WGVDSLITLA FQDQRYSVQT ADHRFLRHDG RLVARPEPAT GYTLEFRSGK VAFRDCEGRY LAPSGPSGTL KAGKATKVGK
DELFALEQSC AQVVLQAANE RNVSTRQGMD LSANQDEETD QETFQLEIDR DTKKCAFRTH TGKYWTLTAT GGVQSTASSK NASCYFDIEW
RDRRITLRAS NGKFVTSKKN GQLAASVETA GDSELFLMKL INRPIIVFRG EHGFIGCRKV TGTLDANRSS YDVFQLEFND GAYNIKDSTG
KYWTVGSDSA VTSSGDTPVD FFFEFCDYNK VAIKVGGRYL KGDHAGVLKA SAETVDPASL WEY.
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 :
Leptin tA HumanDescription:
Leptin Antagonist Triple Mutant Human Recombinant
Product # :
CYT-352Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
Leptin Antagonist Triple Mutant Human Recombinant is a single non-glycosilated polypeptide chain containing 146 amino and additional Ala at N-terminus acids and having a molecular weight of 16 kDa, Leptin was mutated, resulting in L39A/D40A/F41A. Leptin Antagonist Triple Mutant Human Recombinant was purified by proprietary chromatographic techniques.
Source
Escherichia coli.
Formulation
The protein was lyophilized from a concentrated (1mg/ml) solution with 0.0045mM NaHCO3.
Purity
Greater than 98.0% as determined by:
(a) Gel filtration analysis.
(b) Analysis by SDS-PAGE.Biological Activity
ProSpec’s Leptin triple antagonist is capable of inhibiting leptin-induced proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. It also inhibits various leptin effects in several in vitro bioassays.More Info
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Physical Appearance
White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Leptin Antagonist Triple Mutant Human Recombinant although stable at room temperature for several weeks, should be stored desiccated below -18°C. Upon reconstitution at > 0.1 mg/ml and up to 2 mg/ml and filter sterilization Leptin mutant can be stored at 4°C or even room temperature for several weeks making it suitable for long term infusion studies using osmotic pumps. At lower concentration addition of a carrier protein (0.1% HSA or BSA) is suggested. Please prevent freeze-thaw cycles.
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Solubility
It is recommended to reconstitute the lyophilized Leptin Antagonist Triple Mutant Human Recombinant in sterile 0.4% NaHCO3, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Val-Pro-Ile-Gln.
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Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.88 as the extinction coefficient for a 0.1% (1mg/ml) solution at pH 8.0. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
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 :
MCP1 Human, HEKDescription:
Monocyte Chemotactic Protein-1/MCAF (CCL2) Human Recombinant, HEK
CCL2, C-C motif chemokine 2, GDCF-2, HSMCR30, JE, HC11, MCAF, MCP-1, MCP1, Scya2, Sigje, SMC-CF, Immediate-early serum-responsive protein JE, Monocyte chemoattractant protein 1, Small-inducible cytokine A2.
Product # :
CHM-048Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- More Info
Description
MCP1 Human HEK Recombinant produced in HEK293 Cells is a single, glycosylated polypeptide chain containing 82 amino acids (24-99a.a) and having a molecular mass of 9.5 kDa.MCP1 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
HEK293 Cells.
Formulation
The MCP1 solution (0.25mg/1ml) contains phosphate buffered saline (pH7.4) and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Biological Activity
Measured its ability to chemoattract using THP-1 human acute monocytic leukemia cells. The ED50 range ≤ 30 ng/ml.
More Info
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Introduction
Chemokine (C-C motif) ligand 2 (CCL2) is a small cytokine belonging to the CC chemokine family that is also known as monocyte chemotactic protein-1 (MCP-1). It is found at the site of tooth eruption and bone degradation. In the bone, CCL2 is expressed by mature osteoclasts and osteoblasts and is under the control of nuclear factor ?B (NF?B).CCL2 recruits immune cells, such as monocytes, to sites of tissue injury and infection.This chemokine is produced as a protein precursor containing signal peptide of 23 amino acids and a mature peptide of 76 amino acids. It is a monomeric polypeptide, with a molecular weight of approximately 13kDa. As with many other CC chemokines, CCL2 is located on chromosome 17 in humans.The cell surface receptors that bind CCL2 are CCR2 and CCR5
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Synonyms
CCL2, C-C motif chemokine 2, GDCF-2, HSMCR30, JE, HC11, MCAF, MCP-1, MCP1, Scya2, Sigje, SMC-CF, Immediate-early serum-responsive protein JE, Monocyte chemoattractant protein 1, Small-inducible cytokine A2.
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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
QPDAINAPVT CCYNFTNRKI SVQRLASYRR ITSSKCPKEA VIFKTIVAKE ICADPKQKWV QDSMDHLDKQ TQTPKTHHHH 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 :
SARS Envelope, HisDescription:
SARS-Associated Coronavirus Envelope Recombinant, His Tag
Product # :
SARS-004Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
Description
The E.coli derived recombinant protein contains the Envelope protein 1-76 amino acids immunodominant regions fused to 6xHis tag at C-terminal.
Source
Escherichia Coli.
Formulation
SARS Envelope protein solution is supplied in PBS.
Purity
Protein is >90% pure as determined SDS-PAGE.
More Info
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Introduction
SARS Associated Coronavirus Envelope is a small membrane protein that takes major part in the life cycle of the virus. This protein is needed for the assembly, budding, creation of the envelope and pathogenesis. This protein contains 3 outer structural proteins, the membrane (M), envelope (E), and spike (S) proteins. Spike (S)-glycoprotein of the virus interacts with a cellular receptor and mediates membrane fusion to assure viral entry thetarget cells. Accordingly, S-protein has a major part in virus infection cycle and is the mainly target of neutralizing antibodies.
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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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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.
- View Data Sheet
Name :
ANXA1 HumanDescription:
Annexin A1 Human Recombinant
ANX1, LPC1, ANXA1, Lipocortin I, Calpactin II, Chrombindin-9, p35, Annexin-1, Phospholipase A2 inhibitory protein, Annexin I, Annexin A1.
Product # :
PRO-679Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
ANXA1 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 346 amino acids (1-346 a.a.) and having a molecular mass of 38.7 kDa.ANXA1 is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The ANXA1 protein solution contains 20mM Tris-HCl, pH-8, 100mM NaCl, 1mM DTT and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
More Info
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Introduction
ANXA1 is part of the family of Ca(2+)-dependent phospholipid binding proteins which have a Mw between 35kDa-40kDa and are situated on the cytosolic face of the plasma membrane. ANXA1 protein has a Mw of 40kDa, with phospholipase A2 inhibitory activity to bind from two to four calcium ions with high affinity. Since phospholipase A2 is necessary for the biosynthesis of the potent mediators of inflammation, prostaglandins and leukotrienes, ANXA1 might have potential anti-inflammatory activity. ANXA1 promotes membrane fusion and iplays a role in exocytosis. The recognition of ANXA1 protein by immunocytochemical leads a simple, highly sensitive and specific assay for diagnosis of hairy cell leukemia.
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Synonyms
ANX1, LPC1, ANXA1, Lipocortin I, Calpactin II, Chrombindin-9, p35, Annexin-1, Phospholipase A2 inhibitory protein, Annexin I, Annexin A1.
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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
MAMVSEFLKQ AWFIENEEQE YVQTVKSSKG GPGSAVSPYP TFNPSSDVAA LHKAIMVKGV DEATIIDILT KRNNAQRQQI KAAYLQETGK
PLDETLKKAL TGHLEEVVLA LLKTPAQFDA DELRAAMKGL GTDEDTLIEI LASRTNKEIR DINRVYREEL KRDLAKDITS DTSGDFRNAL
LSLAKGDRSE DFGVNEDLAD SDARALYEAG ERRKGTDVNV FNTILTTRSY PQLRRVFQKY TKYSKHDMNK VLDLELKGDI EKCLTAIVKCATSKPAFFAE KLHQAMKGVG TRHKALIRIM VSRSEIDMND IKAFYQKMYG ISLCQAILDE TKGDYEKILV ALCGGN.
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 :
Activin A Human PlantDescription:
Activin A Human Recombinant, Plant
Inhba, Inhibin beta A, FSH releasing protein.
Product # :
CYT-052Price :
Quantity :
Shipping Method :
Shipped at Room temp
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- source
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Description
Activin A human Recombinant produced in Nicotiana benthamiana plant is a disulfide-linked homodimers of two betaA chains, each containing 116 amino residues (molecular formula C600H911N173O174S13) and 6-His-tag at the N-terminal having the total molecular mass of 27.4kDa.
Source
Nicotiana benthamiana plant
Formulation
Lyophilized from 1mg/ml solution in Tris HCl 0.05M buffer at pH 7.4.
Purity
Greater than 97.0% as determined by Analysis by SDS-PAGE.
More Info
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Introduction
Activins are homodimers or heterodimers of the different ? subunit isoforms, part of the TGF? family. Mature Activin A has two 116 amino acids residues betaA subunits (bA-bA). Activin displays an extensive variety of biological activities, including mesoderm induction, neural cell differentiation, bone remodelling, haematopoiesis, and reproductive physiology. Activins takes part in the production and regulation of hormones such as FSH, LH, GnRH and ACTH. Cells that are identified to express Activin A include fibroblasts, endothelial cells, hepatocytes, vascular smooth muscle cells, macrophages, keratinocytes, osteoclasts, bone marrow monocytes, prostatic epithelium, neurons, chondrocytes, osteoblasts, Leydig cells, Sertoli cells, and ovarian granulosa cells.
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Synonyms
Inhba, Inhibin beta A, FSH releasing protein.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Activin A although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Activin 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 Activin A 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
HHHHHHGLEC DGKVNICCKK QFFVSFKDIG WNDWIIAPSG YHANYCEGEC PSHIAGTSGS SLSFHSTVIN HYRMRGHSPF ANLKSCCVPT KLRPMSMLYY DDGQNIIKKD IQNMIVEECG CS
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Background
What is the molecular weight / Mw of Activin A Protein?
Activin A Protein has a total Mw of 27.4 kDa.
What is the source or expression system of Activin A Protein?
Nicotinia
What is the Purity of Activin A Protein?
Activin A Protein is >97% pure as determined by SDS-PAGE.
What is the Biological Activity of Activin A Protein?
The biological functionality of Activin-A Protein will be determined in the future.
What is the endotoxin level for Activin A Protein?
The endotoxin level is minimal, ACTIVIN A Protein was purified using conventional chromatography techniques.
What is the amino acid sequence of ACTIVIN A Protein?
HHHHHHGLEC DGKVNICCKK QFFVSFKDIG WNDWIIAPSG YHANYCEGEC PSHIAGTSGS SLSFHSTVIN HYRMRGHSPF ANLKSCCVPT KLRPMSMLYY DDGQNIIKKD IQNMIVEECG CS
What applications can ACTIVIN A Protein be used in?
ACTIVIN A Protein can probably be used in western blot, ELISA and Lateral Flow.
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Serological Identification
The protein was electrophoresed under reducing condition on a 15% SDS-polyacrylamide gel, transferred by electroblotting to a NC membrane and visualized by immune-detection with specific antibody Activin A.
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 :
Adipsin Human, Sf9Description:
Complement Factor D Human Recombinant, Sf9
Complement Factor D (Adipsin), Properdin Factor D, D Component Of Complement (Adipsin), C3 Convertase Activator, EC 3.4.21.46, ADIPSIN, PFD, AND, DF, Complement Factor D Preproprotein, Complement Factor D, EC 3.4.21, Complement factor D.
Product # :
PRO-2213Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Adipsin produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 241 amino acids (21-253a.a.) and having a molecular mass of 26.01kDa. (Molecular size on SDS-PAGE will appear at approximately 28-40kDa). Adipsin is expressed with an 8 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
Adipsin protein solution (1mg/ml) contains phosphate buffered saline (pH7.4).
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
Complement Factor D (Adipsin), which belongs to the trypsin family of peptidases, is involved in the alternative complement pathway of the complement system where it cleaves factor B. In the alternative complement pathway, Adipsin is best known for its role in humoral suppression of infectious agents. In addition, Adipsin is a serine protease which is secreted by adipocytes into the bloodstream. Ultimately, Adipsin has a high level of expression in fat, proposing a role for adipose tissue in immune system biology.
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Synonyms
Complement Factor D (Adipsin), Properdin Factor D, D Component Of Complement (Adipsin), C3 Convertase Activator, EC 3.4.21.46, ADIPSIN, PFD, AND, DF, Complement Factor D Preproprotein, Complement Factor D, EC 3.4.21, Complement factor D.
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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
PPRGRILGGR EAEAHARPYM ASVQLNGAHL CGGVLVAEQW VLSAAHCLED AADGKVQVLL GAHSLSQPEP SKRLYDVLRA VPHPDSQPDT IDHDLLLLQL SEKATLGPAV RPLPWQRVDR DVAPGTLCDV AGWGIVNHAG RRPDSLQHVL LPVLDRATCN RRTHHDGAIT ERLMCAESNR RDSCKGDSGG PLVCGGVLEG VVTSGSRVCG NRKKPGIYTR VASYAAWIDS VLAVEHHHHH 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 :
PFDN4 HumanDescription:
Prefoldin Subunit 4 Recombinant Human
Prefoldin Subunit 4, PFD4, C1, Prefoldin 4, Protein C-1.
Product # :
PRO-092Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
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- formulation
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Description
PFDN4 produced in E.Coli is a single, non-glycosylated polypeptide chain containing 154 amino acids (1-134.a.a) and having a molecular mass of 17.4kDa. PFDN4 is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The PFDN4 protein solution (1mg/1ml) is formulated in 20 mM Tris-HCl buffer (pH7.5), 50mM NaCl, 1mM DTT and 10% glycerol.
Purity
Greater than 90% as determined by SDS-PAGE.
More Info
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Introduction
PFDN4 belongs to the prefoldin beta subunit family. PFDN4 is a heterohexameric chaperone protein that can capture unfolded actin and is a possible transcription factor. Six prefoldin polypeptides, prefoldin 1-6, are known.
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Synonyms
Prefoldin Subunit 4, PFD4, C1, Prefoldin 4, Protein C-1.
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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.Please avoid freeze thaw cycles.
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Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MAATMKKAAA EDVNVTFEDQ QKINKFARNT SRITELKEEI EVKKKQLQNL EDACDDIMLA DDDCLMIPYQ IGDVFISHSQ EETQEMLEEA KKNLQEEIDA LESRVESIQR VLADLKVQLY AKFGSNINLE ADES
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 (121a.a.) Human, HEKDescription:
Vascular Endothelial Growth Factor (121) Human Recombinant, HEK
Vascular endothelial growth factor A, VEGF-A, Vascular permeability factor, VPF, VEGF, MGC70609.
Product # :
CYT-116Price :
Quantity :
Shipping Method :
Shipped at Room temp
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- source
- formulation
- purity
- biological activity
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Description
Recombinant Human VEGF 121 amino acids, produced in HEK cells is a glycosylated 37kDa homodimer and 50kDa homotrimer.The VEGF is purified by proprietary chromatographic techniques.
Source
HEK.
Formulation
VEGF was lyophilized from a 0.2µm filtered solution containing 1xPBS.
Purity
Greater than 95% as obsereved by SDS-PAGE.
Biological Activity
The specific activity was determined by the dose-dependent stimulation of the proliferation of HUVEC cells (Human Umbilical Vein Endothelial Cells), the ED50 is 3ng/ml.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 VEGF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution VEGF 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 VEGF in sterile PBS containing 0.1% endotoxin-free recombinant HSA.
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 :
a-ActininDescription:
Actinin Alpha
Alpha-actinin-1, Alpha-actinin cytoskeletal isoform, Non-muscle alpha-actinin-1, F-actin cross-linking protein, ACTN1.
Product # :
PRO-518Price :
Quantity :
Shipping Method :
Shipped at Room temp
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- description
- source
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- More Info
Description
Ultra pure Alpha Actinin having a Molecular mass of 95,000 Dalton.
Source
Chicken Gizzard.
Formulation
The protein was lyophilized from a 1mg/ml solution containing 10mM Tris acetate buffer pH 7.6, 0.1mM EDTA, 2mM DTT, and 20mM NaCl.
Purity
Greater than 95.0% as determined by analysis by SDS-PAGE.
More Info
-
Introduction
ACTN1 encodes a nonmuscle, cytoskeletal, alpha actinin isoform and maps to the same site as the structurally similar erythroid beta spectrin gene. Alpha actinins belong to the spectrin gene superfamily which represents a diverse group of cytoskeletal proteins, including the alpha and beta spectrins and dystrophins. Alpha actinin is an actin-binding protein with multiple roles in different cell types. In nonmuscle cells, the cytoskeletal isoform is found along microfilament bundles and adherens-type junctions, where it is involved in binding actin to the membrane. In contrast, skeletal, cardiac, and smooth muscle isoforms are localized to the Z-disc and analogous dense bodies, where they help anchor the myofibrillar actin filaments.
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Synonyms
Alpha-actinin-1, Alpha-actinin cytoskeletal isoform, Non-muscle alpha-actinin-1, F-actin cross-linking protein, ACTN1.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized a-Actinin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution a-Actinin 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 a-Actinin in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Applications
Protein standard in 1D and 2D SDS gelelectrophoresis
Immunoassays
Immunization.
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 :
CEBP Alpha HumanDescription:
CCAAT/enhancer binding protein CEBP Alpha Human Recombinant
CCAAT/enhancer-binding protein alpha, C/EBP alpha, CEBPA, CEBP.
Product # :
PRO-433Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- description
- source
- formulation
- purity
- More Info
Description
CEBP-a Human Recombinant His-Tag fusion protein produced in E.Coli is a single, non-glycosylated polypeptide chain containing amino acids 126 (aa 270-358) and having a molecular mass of 14.5 kDa. The Human CEBP-a Human is fused to a 37 amino acids His-Tag at N-terminus and is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The protein contains 20mM Tris-HCl pH7.5, 0.1M NaCl and 5mM b-Mercaptoethanol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
CCAAT/enhancer binding protein(C/EBP) a is a family of transcription factors that all contain a highly conserved, basic-leucine zipper domain at the C-terminus that is involved in dimerization and DNA binding. C/EBP family of transcription factors regulates viral and cellular CCAAT/enhancer element-mediated transcription. C/EBP family consist of several related proteins, C/EBP a,b,g,d, that form homodimers and that form heterodimers with each other. C/EBP proteins contain the bZIP region, which is characterized by two motifs in the C-terminal half of the protein; a basic region involved in DNA binding and a leucine zipper motif involved in dimerization. C/EBPs differ significantly in their physiological functions and in their downstream target genes. For example, mice lacking C/EBPa die shortly after birth due to severe hypoglycemia and the absence of glycogen storage in liver, whereas knockout of C/EBPb causes defects in female reproduction.
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Synonyms
CCAAT/enhancer-binding protein alpha, C/EBP alpha, CEBPA, CEBP.
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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 KDRWGSMGAG KAKKSVDKNS NEYRVRRERN NIAVRKSRDK AKQRNVETQQ KVLELTSDND RLRKRVEQLS RELDTLRGIF RQLPESSLVKAMGNCA.
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 :
Vaspin HumanDescription:
Vaspin Recombinant Human
Serpin A12 precursor, Visceral adipose-specific serpin, Visceral adipose tissue- derived serine protease inhibitor, Vaspin, OL-64, SERPINA12, Serine (or cysteine) proteinase inhibitor, clade A, antitrypsin, alpha-1 antiproteinase.
Product # :
CYT-1132Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- More Info
Description
Vaspin Human Recombinant produced in E.Coli is a single, non- glycosylated polypeptide chain containing 394 amino acids and having a molecular mass of 45.1kDa. Vaspin is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from a 0.2μm filtered concentrated solution in 20mM Tris-HCl, pH 8.0, 150mM NaCl and 0.02 % Tween-20.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.More Info
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Introduction
Vaspin (visceral adipose-specific SERPIN) is a newly identified adipokine, which is a member of serine protease inhibitor family. Vaspin is also a unique insulin sensitizing adipocytokine in obesity. A recent publication indicates that induction of human vaspin mRNA expression in adipose tissue is regulated in a fat depot-specific manner and could be associated with parameters of obesity, insulin resistance, and glucose metabolism.
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Synonyms
Serpin A12 precursor, Visceral adipose-specific serpin, Visceral adipose tissue- derived serine protease inhibitor, Vaspin, OL-64, SERPINA12, Serine (or cysteine) proteinase inhibitor, clade A, antitrypsin, alpha-1 antiproteinase.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Vaspin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Vaspin 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 Vaspin 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
LKPSFSPRNY KALSEVQGWK QRMAAKELAR QNMDLGFKLL KKLAFYNPGR NIFLSPLSIS TAFSMLCLGA QDSTLDEIKQ GFNFRKMPEK DLHEGFHYII HELTQKTQDL KLSIGNTLFI DQRLQPQRKF LEDAKNFYSA ETILTNFQNL EMAQKQINDF ISQKTHGKIN NLIENIDPGT VMLLANYIFF RARWKHEFDP NVTKEEDFFL EKNSSVKVPM MFRSGIYQVG YDDKLSCTIL EIPYQKNITA IFILPDEGKL KHLEKGLQVD TFSRWKTLLS RRVVDVSVPR LHMTGTFDLK KTLSYIGVSK IFEEHGDLTK IAPHRSLKVG EAVHKAELKM DERGTEGAAG TGAQTLPMET PLVVKIDKPY LLLIYSEKIP SVLFLGKIVN PIGK.
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 :
MT IDescription:
Melanotan-I
Melanotan-I, MT-I, Melanotan-1.
Product # :
HOR-306Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- formulation
- purity
- More Info
Description
Melanotan-I has the amino acid sequence of Ser-Tyr-Ser-Nle-Glu-His-D-Phe-Arg-Trp-Gly-Lys-Pro-Val and a molecular weight of 1647.4 Dalton.
Formulation
The protein (1mg/ml) was lyophilized with no additives.
Purity
Greater than 98.0% as determined by RP-HPLC.
More Info
-
Synonyms
Melanotan-I, MT-I, Melanotan-1.
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Physical Appearance
Sterile Filtered off-White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Melanotan-I although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution MT-I 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 Melanotan-I in sterile 1% acetic acid not less than 100 µg/ml, which can then be further diluted to other aqueous solutions.
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 :
IFNAR1 HumanDescription:
Interferon Alpha and Beta Receptor Subunit 1 Human Recombinant
IFN-alpha/beta R1, IFNAR1, AVP, IFN-alpha-REC, IFNAR, IFNBR, IFRC, Interferon alpha/beta receptor 1, IFN-R-1, IFN-alpha/beta receptor 1, Cytokine receptor class-II member 1, Cytokine receptor family 2 member 1, CRF2-1, Type I interferon receptor 1.
Product # :
CYT-1138Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- description
- source
- formulation
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- More Info
- SDS-PAGE
Description
IFNAR1 produced in Sf9 Insect cells is a single, glycosylated polypeptide chain containing 415 amino acids (28-436a.a.) and having a molecular mass of 47.9kDa. IFNAR1 is expressed with a 6 amino acid His tag at C-Terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Insect cells.
Formulation
IFNAR1 protein solution (0.5mg/ml) contains Phosphate Buffered Saline (pH 7.4) and 20% glycerol.
Purity
Greater than 95.0% as determined by SDS-PAGE.
SDS-PAGE
More Info
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Introduction
Interferon Alpha And Beta Receptor or IFNAR1, is part of the class II cytokine receptor family. IFNAR1 forms one of the two chains of a receptor for interferons alpha and beta. IFNAR1 binds and activates the receptor that stimulates Janus protein kinases, which then phosphorylate few proteins, including STAT1 & STAT2. Furthermore, IFNAR1 also acts as an antiviral factor.
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Synonyms
IFN-alpha/beta R1, IFNAR1, AVP, IFN-alpha-REC, IFNAR, IFNBR, IFRC, Interferon alpha/beta receptor 1, IFN-R-1, IFN-alpha/beta receptor 1, Cytokine receptor class-II member 1, Cytokine receptor family 2 member 1, CRF2-1, Type I interferon receptor 1.
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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
KNLKSPQKVE VDIIDDNFIL RWNRSDESVG NVTFSFDYQK TGMDNWIKLS GCQNITSTKC NFSSLKLNVY EEIKLRIRAE KENTSSWYEV DSFTPFRKAQ IGPPEVHLEA EDKAIVIHIS PGTKDSVMWA LDGLSFTYSL VIWKNSSGVE ERIENIYSRH KIYKLSPETT YCLKVKAALL TSWKIGVYSP VHCIKTTVEN ELPPPENIEV SVQNQNYVLK WDYTYANMTF QVQWLHAFLK RNPGNHLYKW KQIPDCENVK TTQCVFPQNV FQKGIYLLRV QASDGNNTSF WSEEIKFDTE IQAFLLPPVF NIRSLSDSFH IYIGAPKQSG NTPVIQDYPL IYEIIFWENT SNAERKIIEK KTDVTVPNLK PLTVYCVKAR AHTMDEKLNK SSVFSDAVCE KTKPGNTSKH HHHHH.
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Background
What is the molecular weight/Mw of IFNAR1 HUMAN Protein?
IFNAR1 HUMAN Protein has a total Mw of 47.9kDa.
What is the source or expression system of IFNAR1 HUMAN Protein?
Sf9, Insect cells.
What is the Purity of IFNAR1 HUMAN Protein?
IFNAR1 HUMAN Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of IFNAR1 HUMAN Protein?
The biological functionality of IFNAR1 HUMAN Protein will be determined in the future.
What is the amino acid sequence of IFNAR1 HUMAN Protein?
KNLKSPQKVE VDIIDDNFIL RWNRSDESVG NVTFSFDYQK TGMDNWIKLS GCQNITSTKC NFSSLKLNVY EEIKLRIRAE KENTSSWYEV DSFTPFRKAQ IGPPEVHLEA EDKAIVIHIS PGTKDSVMWA LDGLSFTYSL VIWKNSSGVE ERIENIYSRH KIYKLSPETT YCLKVKAALL TSWKIGVYSP VHCIKTTVEN ELPPPENIEV SVQNQNYVLK WDYTYANMTF QVQWLHAFLK RNPGNHLYKW KQIPDCENVK TTQCVFPQNV FQKGIYLLRV QASDGNNTSF WSEEIKFDTE IQAFLLPPVF NIRSLSDSFH IYIGAPKQSG NTPVIQDYPL IYEIIFWENT SNAERKIIEK KTDVTVPNLK PLTVYCVKAR AHTMDEKLNK SSVFSDAVCE KTKPGNTSKH HHHHH.
What applications can IFNAR1 HUMAN Protein be used in?
IFNAR1 HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for IFNAR1 HUMAN Protein?
The endotoxin level is minimal, IFNAR1 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 :
CD21 HumanDescription:
CD21 Human Recombinant
Complement receptor type 2, Cr2, Complement C3d receptor, Epstein-Barr virus receptor, EBV receptor, CD21 antigen, CR2, C3DR, CD21, SLEB9.
Product # :
PRO-2615Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
- More Info
Description
CD21 Human Recombinant produced in Sf9 Baculovirus cells is a single, glycosylated polypeptide chain containing 959 amino acids (21-971aa) and having a molecular mass of 105.2kDa.CD21 is fused to an 8 amino acid His-Tag at C-terminus and purified by proprietary chromatographic techniques.
Source
Sf9, Baculovirus cells.
Formulation
The CD21 solution (0.5mg/ml) contains 10% Glycerol and Phosphate Buffered Saline (pH 7.4).
Purity
Greater than 95.0% as determined by SDS-PAGE.
More Info
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Introduction
CD21 is expressed strongly on mature B cells, follicular dentritic cells and weakly on immature thymocytes and T lymphocytes. In B-cell ontogeny, CD21 appears after the pre-B-stage, is maintained during peripheral B-cell development and is lost upon terminal differentiation into plasma cells. CD21 expression is also gradually lost after stimulation of B cells in vitro. CD21 functions as receptor for C3d, C3dg and iC3b Complement components, for EBV and for IFNalpha. CD21 binds to CD23 and associates with CD19, CD81 and Leu13 to form a large signal-transduction complex involved in B cell activation.
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Synonyms
Complement receptor type 2, Cr2, Complement C3d receptor, Epstein-Barr virus receptor, EBV receptor, CD21 antigen, CR2, C3DR, CD21, SLEB9.
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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
ISCGSPPPIL NGRISYYSTP IAVGTVIRYS CSGTFRLIGE KSLLCITKDK VDGTWDKPAP
KCEYFNKYSS CPEPIVPGGY KIRGSTPYRH GDSVTFACKT NFSMNGNKSV WCQANNMWGP
TRLPTCVSVF PLECPALPMI HNGHHTSENV GSIAPGLSVT YSCESGYLLV GEKIINCLSS
GKWSAVPPTC EEARCKSLGR FPNGKVKEPP ILRVGVTANF FCDEGYRLQG PPSSRCVIAG
QGVAWTKMPV CEEIFCPSPP PILNGRHIGN SLANVSYGSI VTYTCDPDPE EGVNFILIGE
STLRCTVDSQ KTGTWSGPAP RCELSTSAVQ CPHPQILRGR MVSGQKDRYT YNDTVIFACM
FGFTLKGSKQ IRCNAQGTWE PSAPVCEKEC QAPPNILNGQ KEDRHMVRFD PGTSIKYSCN
PGYVLVGEES IQCTSEGVWT PPVPQCKVAA CEATGRQLLT KPQHQFVRPD VNSSCGEGYK
LSGSVYQECQ GTIPWFMEIR LCKEITCPPP PVIYNGAHTG SSLEDFPYGT TVTYTCNPGP
ERGVEFSLIG ESTIRCTSND QERGTWSGPA PLCKLSLLAV QCSHVHIANG YKISGKEAPY
FYNDTVTFKC YSGFTLKGSS QIRCKADNTW DPEIPVCEKE TCQHVRQSLQ ELPAGSRVEL
VNTSCQDGYQ LTGHAYQMCQ DAENGIWFKK IPLCKVIHCH PPPVIVNGKH TGMMAENFLY
GNEVSYECDQ GFYLLGEKKL QCRSDSKGHG SWSGPSPQCL RSPPVTRCPN PEVKHGYKLN
KTHSAYSHND IVYVDCNPGF IMNGSRVIRC HTDNTWVPGV PTCIKKAFIG CPPPPKTPNG
NHTGGNIARF SPGMSILYSC DQGYLLVGEA LLLCTHEGTW SQPAPHCKEV NCSSPADMDG
IQKGLEPRKM YQYGAVVTLE CEDGYMLEGS PQSQCQSDHQ WNPPLAVCRS RVEHHHHHH
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 :
Ara h 8.0101Description:
Allergen Ara h 8.0101 Recombinant
Ara h 8 allergen.
Product # :
ALR-010Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
More Info
- description
- source
- formulation
- purity
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Description
Recombinant Ara h 8.0101 produced in SF9 is a glycosylated, polypeptide chain having a calculated molecular mass of 18,192 Dalton. Ara h 8.0101 is expressed with a 10xHis tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Sf9 insect cells.
Formulation
Ara h 8.0101 is supplied in 20mM HEPES buffer pH-8, 0.1M NaCl and 6M Urea.
Purity
Greater than 80.0% as determined by SDS-PAGE.
More Info
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Introduction
Ara h 8.0101 which is a part of the PR-10 protein family is a Bet v 1-homologous panallergen. Ara h 8.0101 is cross-reactive with Gly m 4 from soy bean and Bet v 1 from silver birch. Ara h 8.0101 is responsible for oral allergy syndrome and also has low stability to roasting and no stability to gastric digestion.
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Synonyms
Ara h 8 allergen.
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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.
- View Data Sheet
Name :
IFN tau OvineDescription:
IFN-Tau Ovine Recombinant
IFN-tau1, Trophoblast protein 1, TP-1, Trophoblastin, Antiluteolysin, Trophoblast antiluteolytic protein, IFN-tau, IFN tau-1.
Product # :
CYT-377Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
Description
IFN-Tau Ovine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 172 amino acids and having a molecular mass of 19914.7 Dalton.The IFN-Tau is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Lyophilized from (1mg/ml) solution containing PBS pH-7.4.
Purity
Greater than 95.0% as determined by both:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The specific activity as determined in a viral resistance assay using bovine kidney MDBK cells was found to be 10,000,000IU/mg.More Info
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Introduction
IFN-tau is also known as TP-1 (trophoblast protein-1) is a new class of type I IFN that is secreted by the trophoblast and is the signal for maternal recognition of pregnancy in sheep. IFN- tau has potent immunosuppressive and antiviral activities similar to other type I IFN but is less cytotoxic than IFN-alpha and IFN-beta. The current investigation concerns the effect of recombinant ovine IFN- tau (rOIFN- tau) on the modulation of MHC class I and II expression on cloned mouse cerebrovascular endothelial (CVE) cells.
IFN-tau induced tyrosine phosphorylation of Stat1 and upregulated the expression of MHC class I on CVE. One proposed action by which type I IFN reduces the relapse rate in MS is via interference with IFN-?-induced MHC class II expression. IFN- tau was shown to downregulate IFN-?-induced MHC class II expression on CVE and, hence, may be of potential therapeutic value in downregulating inflammation in the central nervous system (CNS). IFN- tau did not upregulate the expression of MHC class II on CVE. IFN- tau also inhibited the replication of Theiler's virus in CVE. -
Synonyms
IFN-tau1, Trophoblast protein 1, TP-1, Trophoblastin, Antiluteolysin, Trophoblast antiluteolytic protein, IFN-tau, IFN tau-1.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized IFN-Tau although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-Tau 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 Tau 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
The sequence of the first five N-terminal amino acids was determined and was found to be Cys-Tyr-Leu-Ser-Arg.
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Background
What is the molecular weight/Mw of IFN TAU OVINE Protein?
IFN TAU OVINE Protein has a total Mw of 19.9kDa.
What is the source or expression system of IFN TAU OVINE Protein?
Escherichia Coli.
What is the Purity of IFN TAU OVINE Protein?
IFN TAU OVINE Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of IFN TAU OVINE Protein?
The specific activity as determined in a viral resistance assay using bovine kidney MDBK cells was found to be 10,000,000IU/mg.
What is the amino acid sequence of IFN TAU OVINE Protein?
The sequence of the first five N-terminal amino acids was determined and was found to be Cys-Tyr-Leu-Ser-Arg.
What applications can IFN TAU OVINE Protein be used in?
IFN TAU OVINE Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for IFN TAU OVINE Protein?
The endotoxin level is minimal, IFN TAU OVINE 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 :
Leptin Mouse, PEGDescription:
Pegylated Mouse Leptin Recombinant
OB Protein, Obesity Protein, OBS, Obesity factor.
Product # :
CYT-591Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
- description
- source
- formulation
- purity
- biological activity
- More Info
Description
Leptin Mono-Pegylated Mouse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and an additional Ala at N-terminus. Pegylated Mouse Leptin contains PEG 20 kDa at its N-terminus and having a molecular mass of 35.6 kDa as determined by mass spectrometry. Since its enlarged hydrodymanic volume Pegylated Leptin runs on SDS-PAGE as A 48 kDa protein and in gel-filtration on Superdex 200 as over 100 kDa protein. Pegylated Mouse Leptin half-life in circulation after SC injection was over 20 hours. Mouse Leptin was purified by proprietary chromatographic techniques according to Salomon et al (2006) Protein Expression and Purification 47, 128–136 and then pegylated.
Source
Escherichia Coli.
Formulation
The mouse Leptin was lyophilized from a concentrated (0.65mg/ml) solution containing 0.003mM NaHCO3.
Purity
Greater than 99.0% as determined by:
(a) Analysis by Gel-Filtration.
(b) Analysis by SDS-PAGE.Biological Activity
Pegylated mouse Leptin is capable of stimulatng proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor. Pegylated mouse Leptin in vitro activity is only slightly lower than the non-pegylated antagonist but in vivo it has profound weight reducing effect (as compared to the non-pegylated leptin), resulting mainly from reduced food intake.More Info
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Introduction
A 16-kDa peptide hormone secreted from white adipocytes and implicated in the regulation of food intake and energy balance. Leptin provides the key afferent signal from fat cells in the feedback system that controls body fat stores.
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Synonyms
OB Protein, Obesity Protein, OBS, Obesity factor.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Leptin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leptin 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 Leptin in sterile 0.4% NaHCO3 adjusted to pH-8.5 not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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.