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1000 results found for “HTLV”
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Name :
CHI3L2 AntibodyDescription:
Chitinase 3-Like 2, Mouse Anti Human
Chitinase 3-Like 2, Chondrocyte Protein 39, YKL-39, YKL39, Chitinase-3-Like Protein 2, CHIL2, CHI3L2.
Product # :
ANT-703Price :
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Shipped with Ice Packs
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Formulation
1mg/ml containing PBS, pH-7.4, 10% Glycerol and 0.02% Sodium Azide.
Citations
More Info
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Introduction
Chitinase 3-Like 2 (CHI3L2) is similar to bacterial chitinases but lacks chitinase activity. CHI3L2 protein is secreted and is involved in cartilage biogenesis. CHI3L2 is a lectin, which binds chitooligosaccharides and other glycans with high affinity, but not heparin.
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Synonyms
Chitinase 3-Like 2, Chondrocyte Protein 39, YKL-39, YKL39, Chitinase-3-Like Protein 2, CHIL2, CHI3L2.
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Physical Appearance
Sterile filtered colorless solution.
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Immunogen
Anti-human CHI3L2 mAb, is derived from hybridization of mouse F0 myeloma cells with spleen cells from BALB/c mice immunized with recombinant human CHI3L2 amino acids 27-390 purified from E. coli.
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Ig Subclass
Mouse IgG2b heavy chain and κ light chain.
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Clone
PAT2B5AT.
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Applications
CHI3L2 antibody has been tested by ELISA and Western blot analysis 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
CHI3L2 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 :
OT HumanDescription:
Oxytocin Human
OT, OXT, OT-NPI, Neurophysin 1, MGC126890, MGC126892.
Product # :
HOR-254Price :
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Description
Oxytocin Human Synthetic is a single, non-glycosylated, polypeptide chain containing 9 amino acids and having a molecular mass of 1007.2 Dalton. Oxytocin has a molecular formula of C43H66N12O12S2. The OT is purified by proprietary chromatographic techniques.
Formulation
The Oxytocin was lyophilized from a concentrated (1mg/ml) solution with no additives.
Purity
Greater than 98.0% as determined by RP-HPLC.
Citations
More Info
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Introduction
Human Oxytocin stimulates uterine smooth muscle contractions indirectly and stimulates the mammary glands to increase lactation without increasing the production of milk.
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Synonyms
OT, OXT, OT-NPI, Neurophysin 1, MGC126890, MGC126892.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Oxytocin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Neurophysin 1 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 Oxytocin 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
H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2.
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 :
IL1B HumanDescription:
Interleukin-1 beta Human Recombinant
Catabolin, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL1F2, IL-1 beta.
Product # :
CYT-208Price :
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Shipped at Room temp
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Description
Interleukin-1 beta Human Recombinant produced in E.Coli is a non-glycosylated, Polypeptide chain containing 153 amino acids and having a molecular mass of 17000 Dalton.The IL-1 Beta is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
IL-1 Beta was lyophilized from a concentrated (1mg/ml) sterile solution containing 50mM Phosphate buffer pH=7.1 and 150mM NaCl.
Purity
Greater than 98.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The specific activity as determined in the test of augmentation of lymphocyte proliferation assay using mouse thymus was found to be 200,000,000 IU/mg.Citations
More Info
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Introduction
Interleukin-1b is produced by activated macrophages, IL-1 Beta stimulates thymocyte proliferation by inducing il-2 release, b-cell maturation and proliferation, and fibroblast growth factor activity. IL1B proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin from synovial cells.
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Synonyms
Catabolin, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL1F2, IL-1 beta.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Interleukin-1b although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL-1 Beta 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 Interleukin-1b 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 Ala-Pro-Val-Arg-Ser.
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Background
What is the molecular weight/Mw of IL1B HUMAN Protein?
IL1B HUMAN Protein has a total Mw of 17kDa.
What is the source or expression system of IL1B HUMAN Protein?
Escherichia Coli.
What is the Purity of IL1B HUMAN Protein?
IL1B HUMAN Protein is >98% pure as determined by SDS-PAGE.
What is the Biological Activity of IL1B HUMAN Protein?
The specific activity as determined in the test of augmentation of lymphocyte proliferation assay using mouse thymus was found to be 200,000,000 IU/mg.
What is the amino acid sequence of IL1B HUMAN Protein?
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Val-Arg-Ser.
What applications can IL1B HUMAN Protein be used in?
IL1B HUMAN Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for IL1B HUMAN Protein?
The endotoxin level is minimal, IL1B HUMAN Protein was purified using conventional chromatography techniques.
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Protein content
Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.631 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a calibrated solution of IL-1 beta Recombinant as a Reference Standard.
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 :
G CSF Human, PEGDescription:
Granulocyte-Colony Stimulating Factor Pegylated Human Recombinant
CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Filgrastim, Lenograstim, G-CSF, MGC45931, GCSF.
Product # :
CYT-018Price :
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Description
Granulocyte Colony Stimulating Factor Human Recombinant produced in E.coli is a single, non-glycosylated, polypeptide chain containing 175 amino acids and having a molecular mass of 18.8kDa. The Pegylated G-CSF is produced by attaching a 20kDa methoxypolyethylene glycol propionaldehyde (mPEG-ALD) to the N-terminal amino acid of G-CSF giving a total molecular mass of 38.8kDa. G-CSF is purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
G-CSF is supplied in solution (0.69mg/ml) containing 10mM Acetate Buffer (pH 4.0), and 0.004% Polysorbate 80.
Purity
Greater than 95.0% as determined by SEC-HPLC.
Biological Activity
The ED50, calculated by the dose-dependent proliferation of murine NFS-60 indicator cells is less than 0.1 ng/ml, corresponding to a Specific Activity of 10,000,000IU/mg.
Citations
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Introduction
GCSF is a cytokine that controls the production, differentiation, and function of granulocytes. The active protein is found extracellularly. Three transcript variants encoding three different isoforms have been found for this gene. 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. This csf induces granulocytes.
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Synonyms
CSF-3, MGI-1G, GM-CSF beta, Pluripoietin, Filgrastim, Lenograstim, G-CSF, MGC45931, GCSF.
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Physical Appearance
Colorless, clear and transparent solution.
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Stability
G-CSF PEG should be stored refrigerated at 2° to 8°C. Vials should be kept in theirpackaging to protect from light until the time of use. Shaking and freezing should be avoided.
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Background
What is the molecular weight/Mw of G CSF HUMAN, PEG Protein?
G CSF HUMAN, PEG Protein has a total Mw of 18.8kDa.
What is the source or expression system of G CSF HUMAN, PEG Protein?
Escherichia Coli.
What is the Purity of G CSF HUMAN, PEG Protein?
G CSF HUMAN, PEG Protein is >95% pure as determined by SDS-PAGE.
What is the Biological Activity of G CSF HUMAN, PEG Protein?
The ED50, calculated by the dose-dependent proliferation of murine NFS-60 indicator cells is less than 0.1 ng/ml, corresponding to a Specific Activity of 10,000,000IU/mg.
What is the amino acid sequence of G CSF HUMAN, PEG Protein?
G CSF HUMAN, PEG Protein is composed from 175 amino acids.
What applications can G CSF HUMAN, PEG Protein be used in?
G CSF HUMAN, PEG Protein can probably be used in western blot, ELISA and Lateral Flow.
What is the endotoxin level for G CSF HUMAN, PEG Protein?
The endotoxin level is minimal, G CSF HUMAN, PEG 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 :
TIAF1 HumanDescription:
TGFB1-Induced Anti-Apoptotic Factor 1 Human Recombinant
TGFB1-Induced Anti-Apoptotic Factor 1, 12 KDa TGF-Beta-1-Induced Antiapoptotic Factor, Molecule Associated With Jak-3 N-Terminal, KIAA0216, MYO18A, MYSPDZ, MAJN, SPR210.
Product # :
PRO-1211Price :
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Description
TIAF1 Human Recombinant produced in E. coli is a single polypeptide chain containing 152 amino acids (1-115) and having a molecular mass of 16.6 kDa.TIAF1 is fused to a 37 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Source
E.coli.
Formulation
The TIAF1 solution (0.5mg/1ml) contains 20mM Tris-HCl buffer (pH 8.0), 0.4M Urea and 10% glycerol.
Purity
Greater than 85% as determined by SDS-PAGE.
Citations
More Info
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Introduction
TGFB1-induced anti-apoptotic factor 1 (TIAF1) hinders the cytotoxic effects of TNF-alpha and overexpressed TNF receptor adapters TRADD, FADD, and RIPK1. The TIAF1 protein is involved in TGF-beta1 inhibition of IkappaB-alpha expression and suppression of TNF-mediated IkappaB-alpha degradation. TIAF1 is not detected in normal kidney and liver. TIAF1 is up-regulated in chronic and acute allograft rejection: expressed in the inflammatory infiltrate and in tubular epithelial cells.
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Synonyms
TGFB1-Induced Anti-Apoptotic Factor 1, 12 KDa TGF-Beta-1-Induced Antiapoptotic Factor, Molecule Associated With Jak-3 N-Terminal, KIAA0216, MYO18A, MYSPDZ, MAJN, SPR210.
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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 KDRWGSHMSS PSSPFREQSF LCAAGDAGEE SRVQVLKNEV RRGSPVLLGW VEQAYADKCV CGPSAPPAPT PPSLSQRVMC NDLFKVNPFQ LQQFRADPST ASLLLCPGGL DHKLNLRGKA WG
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 :
Bartonella SucBDescription:
Bartonella Henselae SucB Recombinant
Product # :
PRO-2570Price :
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Description
Recombinant Bartonella Henselae SucB produced in E.Coli is a single, non-glycosylated polypeptide chain having a molecular mass of 48kDa. Bartonella SucB is expressed with a -10x His tag at N-terminus and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
Bartonella SucB is supplied at a 20mM HEPES buffer pH-8.0, 200mM NaCl and 20% Glycerol.
Purity
Greater than 95% as determined by SDS-PAGE.
Citations
More Info
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Introduction
Numerous forms of Bartonellosis are caused by Bartonella henselae as well as Cat Scratch Disease & Bacillary Angiomatosis. It has been found that up to 95% of patients with Cat Scratch Disease show antibodies against Bartonella henselae antigens. Highly immunoreactive proteins which are produced by the Bartonella henselae are the most important antigens used for the diagnosis of Cat Scratch Disease. The immunogenic protein dihydrolipoamide-succinyltransferase also named SucB is an enzyme of the alpha-ketoglutarate dehydrogenase complex, which catalyzes the transport of a succinyl group from the S-succinyldihydrolipoyl moiety to coenzyme A.
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Physical Appearance
Sterile Filtered 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 :
ASF1A HumanDescription:
ASF1 Anti-Silencing Function 1 Homolog A Human Recombinant
CGI-98, HSPC146, DKFZp547E2110, ASF1A, Histone chaperone ASF1A, Anti-silencing function protein 1 homolog A, hAsf1, hAsf1a, CCG1-interacting factor A, CIA, hCIA.
Product # :
PRO-682Price :
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Description
ASF1A Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 240 amino acids (1-204 a.a.) and having a molecular mass of 27kDa.ASF1A is fused to a 36 amino acid His Tag and purified by proprietary chromatographic techniques.
Source
Escherichia Coli.
Formulation
The ASF1A protein solution contains 20mM Tris-HCl, pH-8, 1mM DTT and 10% glycerol.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Citations
More Info
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Introduction
ASF1A is part of the H3/H4 family of histone chaperone proteins corresponding to the anti-silencing function-1 gene in yeast. ASF1A is an important element of the histone donor complex that functions in nucleosome assembly. ASF1A interacts with histones H3 and H4, and functions together with a chromatin assembly factor during DNA replication and repair. Deletion of ASF1A in yeast and Drosophila confers sensitivity to various DNA damaging agents and inhibitors of DNA replication, increases genomic instability and sister chromatid exchange, and activates the DNA damage checkpoint.
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Synonyms
CGI-98, HSPC146, DKFZp547E2110, ASF1A, Histone chaperone ASF1A, Anti-silencing function protein 1 homolog A, hAsf1, hAsf1a, CCG1-interacting factor A, CIA, hCIA.
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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 KDRWGSMAKV QVNNVVVLDN PSPFYNPFQF EITFECIEDL SEDLEWKIIY VGSAESEEYD QVLDSVLVGP VPAGRHMFVF QADAPNPGLI PDADAVGVTV VLITCTYRGQ EFIRVGYYVN NEYTETELRE NPPVKPDFSK LQRNILASNPRVTRFHINWE DNTEKLEDAE SSNPNLQSLL STDALPSASK GWSTSENSLN VMLESHMDCM.
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 HorseDescription:
Leptin Horse Recombinant
OB Protein, Obesity Protein, OBS, Obesity factor.
Product # :
CYT-504Price :
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Shipped at Room temp
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Description
Leptin Horse Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 146 amino acids and having a molecular mass of 16 kDa.The Leptin is 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 95.0% as determined by:
(a) Analysis by SEC-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
Biological active as evidenced by inducing proliferation of BAF/3 cells stably transfected with the long form of human leptin receptor.Citations
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 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 Ala-Val-Pro-Ile-Gln.
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Protein content
Protein quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 0.1 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC,using calibrated solution of Leptin Horse as a Reference Standard.
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 :
HCV CocktailDescription:
Hepatitis C Virus Cocktail Recombinant
Product # :
HCV-015Price :
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Description
Recombinant HCV cocktail contains the recombinant hepatitis C virus core, NS3, NS4, NS5 proteins.
Source
Escherichia Coli.
Formulation
HCV Cocktail solution contains 25mM K2CO3 and PBS.
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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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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Applications
ELISA and lateral flow immunoassay.
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Background
Hepatitis C virus (HCV) is a major global health concern, with approximately 71 million people infected worldwide. Chronic HCV infection can lead to liver cirrhosis, hepatocellular carcinoma, and other severe liver-related complications. The nonstructural proteins NS3, NS4, and NS5 of HCV play critical roles in viral replication, assembly, and immune evasion, making them attractive targets for antiviral interventions. This research aims to characterize the recombinant forms of HCV NS3, NS4, and NS5 proteins to gain insights into their functional properties and identify potential targets for the development of effective antiviral strategies.
The primary objective of this study is to express and purify recombinant HCV NS3, NS4, and NS5 proteins using suitable expression systems. Recombinant DNA techniques will be employed to generate expression vectors harboring the respective genes, followed by expression in bacterial, yeast, or mammalian cell-based systems. The recombinant proteins will be purified using affinity chromatography or other appropriate methods, enabling subsequent biochemical and biophysical characterization.
The second objective is to investigate the roles of NS3, NS4, and NS5 proteins in HCV replication and assembly. In vitro assays will be performed to assess the enzymatic activities of NS3 protease and NS5 RNA-dependent RNA polymerase (RdRp). The effects of potential inhibitors or small molecules on these enzymatic activities will be evaluated. Furthermore, the interactions between NS4 protein and cellular components involved in viral assembly will be explored using protein-protein interaction assays.
The third objective is to determine the three-dimensional structures of the recombinant NS3, NS4, and NS5 proteins using techniques such as X-ray crystallography or cryo-electron microscopy. Structural information will provide valuable insights into the functional domains and potential binding sites within these proteins. These findings will aid in the design of novel antiviral compounds targeting specific regions of NS3, NS4, and NS5, with the goal of disrupting viral replication and assembly.
By characterizing the recombinant forms of HCV NS3, NS4, and NS5 proteins, this research aims to enhance our understanding of the molecular mechanisms underlying HCV infection. The insights gained from this study may contribute to the development of novel antiviral strategies targeting HCV, ultimately leading to improved therapeutic options for individuals affected by this persistent and debilitating viral infection.
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 :
HCV NS3 1bDescription:
Hepatitis C Virus NS3 Genotype-1b, (1356-1459 a.a.) Recombinant
Product # :
HCV-249Price :
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Description
The E.coli derived recombinant protein contains the HCV NS3 immunodominant regions, amino acids 1356-1459. The protein is fused to a 22kDa proprietary GST tag at N-Terminus.
Formulation
1.5M urea, 25mM Tris-HCl pH-8, 0.2% Triton-X & 50% Glycerol.
Purity
HCV NS3 Genotype-1b protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
NS3 Genotype-1b although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS3 Genotype-1b antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS3 Genotype-1b protein was 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.
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Name :
HCV NS3 Genotype 5Description:
Hepatitis C Virus NS3 Genotype-5, (1356-1459 a.a.) Recombinant
Product # :
HCV-253Price :
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Shipped with Ice Packs
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Description
The E.coli derived recombinant protein fused to a His tag contains the HCV NS3 immunodominant regions, amino acids 1356-1459.
Formulation
1.5M urea, 25mM Tris-HCl pH-8, 0.2% Triton-X & 50% Glycerol.
Purity
HCV NS3 Genotype-5 protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS3 Genotype-5 although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS3 Genotype-5 antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS3 Genotype-5 protein was 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.
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Name :
HCV NS3 Genotype-1aDescription:
Hepatitis C Virus NS3 Genotype-1a, (1192-1459 a.a.) Recombinant
Product # :
HCV-246Price :
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Description
The E.coli derived recombinant protein contains the HCV NS3 immunodominant regions, amino acids 1192-1459. The protein is fused to a GST tag at N-Terminus.
Formulation
1.5M urea, 25mM Tris-HCl pH-8, 0.2% Triton-X & 50% Glycerol.
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS3 Genotype-1a although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS3 Genotype-1a antigen is suitbale for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS3 Genotype-1a protein was 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 :
HERV-KDescription:
Endogenous retrovirus K Envelope Human Recombinant
Product # :
HER-001Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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- source
- formulation
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Description
The E.Coli derived HERV-K recombinant truncated protein is fused to a Six histidine tag at C-terminus and has a MW of 51.5kDa (pI 9.06).
Source
Escherichia Coli.
Formulation
10mM Tris-HCl, pH 7.2.
Purity
Protein is >90% pure as determined by SDS PAGE.
Citations
More Info
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Introduction
HERVK is related with several tumors such as passenger virus, and anti-Retroviral therapy against amyotrophic lateral sclerosis/ALS has exhibited to decrease the symptoms of amyotrophic lateral sclerosis/ALS. High counts of viral sequences exist in the human genome but stay silent. Though, in pathological conditions, these viruses are produced. Human Endogenous Retrovirus-K, is produced in neurons of a subpopulation of patients with amyotrophic lateral sclerosis/ALS, a progressive neurodegenerative disease. The envelope protein of this HERV results in degeneration of neurons, and transgenic animals producing this protein advance an ALS-like syndrome triggered by nucleolar dysfunction in motor neurons. Reactivation of the HERVK is controlled by the transcription factor TDP-43. Therefore, therapeutic tactics against this virus alter the course of the disease.
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Physical Appearance
Sterile Filtered clear solution.
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Stability
HERV-K although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Amino Acid Sequence
MWTVPSFTND SYQVYNVFST NSFQLLTVKR TPHEAWRVPL TTKTNKTKGL PDCPKKPTNG PFIVTSILWD NCNAPKAVVL QTLAMGIVID WAPKGHYWQD CSSKNTLCSE FIYSLDYIEH GWQSYTMRQR VSPYPFKWMD TGIAPPRPKI IHPFFTPEHP ELWKLAAALS GIKIWNTTYQ LLRTKTKTPT FNITLISEWV IPIRSCVKPP YMLLVGNIIM MPDAQTIECH NCKLFTCIDA TFNPTTSILL VRAREGVWIP VSLHRPWESS PSIHIVNEVL KDILKRTKRF IFTLIAVLAG LLAVTATAAT AGVAIRSSVQ TAHYVEACQK NSSRLWNSQA QIDQKLANQI NDLRQSVTWL GDRVMNLQHR MQLQCDWNTS DYCITPYAYN QDQHSWENVS RHLKAWDDNL TLDISQLKEQIFEASQAHLS TVPGSHIFEG ITKQLPDFNP FKWLKPVRGS LLLLALLILV CLCCLLLVCRCL.
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Applications
Detection of Human Endogenious Retrovirus K in individuals is untested.
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 :
HIV-1/2 ELISADescription:
HIV-1/2 ELISA Recombinant
Product # :
HIV-019Price :
Quantity :
Shipping Method :
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Description
Paired HIV antigens for ELISA test contain HIV1 gp41 and HIV2 gp36 which are used to detect HIV1 and HIV2 antibody from the infected patients. Please note that when ordering for example: 100µg HIV-1/2 ELISA we ship 50µg from each of the antibodies (100µg in total).
Source
Escherichia Coli.
Formulation
* HIV1 gp41 in 25mM K2CO3 and PBS.
* HIV2 gp36 in 25mM K2CO3 and PBS.
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Physical Appearance
2 vials of sterile Filtered clear colorless solution.
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Stability
For periods up to 1 month HIV-1/2 Rapid should be stored at 4°C, for longer periods of time, store at -20°C. Prevent freeze thaw cycles.
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Background
Recombinant HIV-1/2 Proteins play a crucial role in antiviral drug development. They serve as targets for drug screening, allowing researchers to identify compounds that inhibit key viral enzymes or interfere with viral entry. Moreover, these proteins are instrumental in studying drug resistance mechanisms, providing insights into how the virus adapts to selective pressures and guiding the development of more effective antiretroviral therapies.
Understanding Viral Dynamics and Host Interactions:
Studying Recombinant HIV-1/2 Proteins provides a lens into the dynamic interplay between the virus and host cells. These proteins help unravel the mechanisms of viral entry, integration into the host genome, and evasion of host immune surveillance. Insights gained from these studies are critical for devising strategies to disrupt viral replication and enhance the host's ability to control or eliminate the virus.
Challenges and Future Directions:
While the potential of Recombinant HIV-1/2 Proteins in HIV research is evident, challenges persist. Fine-tuning their applications, addressing issues of genetic diversity within HIV subtypes, and optimizing strategies for vaccine and drug development are critical considerations for translational success. Additionally, understanding the intricate host-virus interactions in different cellular contexts remains a dynamic area of investigation.Recombinant HIV-1/2 Proteins stand as sentinel tools in the ongoing battle against HIV/AIDS, providing researchers with a nuanced understanding of viral dynamics and immune responses. Their structural insights, immunogenic properties, and applications in drug and vaccine development position them as central players in advancing our capabilities to combat HIV. As scientists continue to delve into the molecular intricacies of these recombinant proteins, they not only deepen our understanding of HIV pathogenesis but also pave the way for transformative advancements in HIV treatment and prevention, shaping the future of global health efforts against this formidable virus.
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 :
NOV Human (260-357)Description:
Nephroblastoma Overexpressed (260-357 a.a.) Human Recombinant
Igfbp9, igfbp-9.
Product # :
CYT-1234Price :
Quantity :
Shipping Method :
Shipped at Room temp
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Description
The IGFBP9 Human is created as a recombinant protein with a 4kda N-terminal fusion of His Tag. The IGFBP9 His-Tagged Fusion Protein, produced in E. coli, is a 18kDa protein containing 98 amino acid residues of the IGFBP9 Human, 260-357 amino acids.
Source
Escherichia Coli.
Formulation
Each mg was lyophilized with 1xPBS, 0.4% SDS and 4mM DTT.
Purity
Greater than 90% as determined by SDS-PAGE.
Citations
More Info
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Synonyms
Igfbp9, igfbp-9.
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Physical Appearance
Filtered White lyophilized (freeze-dried) powder.
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Stability
Store lyophilized IGFBP9 at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
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Solubility
It is recommended to add deionized water to prepare a working stock solution of approximately 0.5mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it on cell culture.
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Background
Nephroblastoma Overexpressed (NOV) is a part of the CCN (CTGF/CYR61/NOV) family which takes an important part in tissue repair and cellular signaling, differentiation and growth. NOV takes part in angiogenesis, extracellular matrix remodeling and cellular adhesion. NOV is also involved in reducing tumorgenicity and proliferation of certain cancer cell lines. NOV interacts with numerous proteins and participates in both internal and external cell signaling. NOV is expressed in tumors, including Wilm’s tumor and most nephroblastomas and is also exerts proangiogenic activities.
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 :
TNFSF14 HumanDescription:
LIGHT Human Recombinant
Tumor necrosis factor ligand superfamily member 14, CD258, Tnfsf14, Light
Product # :
CYT-1202Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Recombinant Human LIGHT (74-240 aa) having a Mw of 23kDa was purified from E. coli.The Recombinant Human LIGHT is purified by proprietary chromatographic technique.
Source
Escherichia Coli.
Formulation
TNFSF14 solution contains PBS & 25mM K2CO3.
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
TNFRSF14, a member of the TNF receptor superfamily, is a type I transmembrane protein. TNFRSF14 is expressed in peripheral blood T cells, B cells, monocytes and in various tissues enriched in lymphoid cells. TNFRSF14 operates as a co-stimulatory factor for the activation of lymphoid cells and as a deterrent to infection by herpesvirus. Additionally, TNFRSF14 encourages the proliferation of T cells, and triggers apoptosis of various tumor cells.
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Synonyms
Tumor necrosis factor ligand superfamily member 14, CD258, Tnfsf14, Light
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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
DGPAGSWEQL IQERRSHEVN PAAHLTGANS SLTGSGGPLL WETQLGLAFL RGLSYHDGAL VVTKAGYYYI YSKVQLGGVG CPLGLASTIT HGLYKRTPRY PEELELLVSQ QSPCGRATSS SRVWWDSSFL GGVVHLEAGE KVVVRVLDER LVRLRDGTRS YFGAFMV
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 :
CHIKV CapsidDescription:
Chikungunya Capsid Recombinant
Product # :
CHI-005Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Recombinant Chikungunya Full length capsid protein containing 220 amino acids produced in E.coli having a molecular weight of 25kDa.
Source
Escherichia Coli.
Formulation
Sterile Filtered solution containing 1x PBS, 2M urea and 25mM K2CO3.
Purity
Protein is >90% pure as determined by SDS-PAGE.
Citations
More Info
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Introduction
Chikungunya is an infection caused by the chikungunya virus which is passed to humans by two species of mosquito of the genus Aedes: A. albopictus and A. aegypti. Animal reservoirs of the virus include monkeys, birds, cattle, and rodents. The features of the disease are a sudden onset of fever 2-4 days after exposure. The fever typically lasts 2-7 days, while the associated joint pains usually last weeks or months but sometimes years. The mortality rate is a little less than 1 in 1,000. The disease has occurred in outbreaks in Asia, Europe and the Americas since 2004. CHIKV is a single-stranded positive-sense RNA genome, 11,800 nts long which encodes 2 open reading frames. The nucleocapsid is tightly enveloped by a host-derived lipid bilayer (envelope) supporting the virus-encoded envelope proteins. 80 glycoprotein spikes are C- terminally anchored within the viral envelope. The structural polyprotein is translated from a viral sub genomic mRNA, while as the 5 structural proteins (capsid, E3, E2, 6K, E1) are translated as a single polyprotein, from which capsid (C) is cleaved off to encapsidate. The envelope polyprotein precursor E3-E2-6K-E1 is translocated to the endoplasmatic reticulum. Polyprotein is processed by host signalases, resulting in E3, E2 & E1 forming viral hetero-trimeric spikes. The viral spikes majorly contains E2 and E1 facilitate cell receptor recognition, cell entry thru pH-dependent endocytosis and support viral budding.
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Physical Appearance
Sterile filtered colorless solution.
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Stability
CHIKV Capsid although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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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 :
HBsAg adw CHODescription:
Hepatitis B Surface Antigen Adw subtype Recombinant, CHO
Product # :
HBS-001Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Recombinant Hepatitis B Surface Antigen Adw subtype, CHO has a Mw of 23kDa, containing 226 amino acids and was purified from CHO cell line.The Recombinant Hepatitis B Surface Antigen Adw subtype, CHO is purified by proprietary chromatographic technique.
Source
Chinese Hamster Ovary Cells (CHO).
Formulation
HBsAg adw CHO solution contains PBS, PH 6.5.
Purity
Protein is >95% pure as determined by 12% SDS-PAGE (coomassie staining).
Citations
More Info
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Introduction
HBsAg is the surface antigen of the Hepatitis-B-Virus (HBV). The capsid of a virus has different surface proteins from the rest of the virus. The antigen is a protein that binds specifically on one of these surface proteins. It is commonly referred to as the Australian Antigen. HBsAg is an important parameter to establish a diagnosis of hepatitis B disease in the clinic and to monitor antiviral treatment.
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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.
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 :
GPT1 AntibodyDescription:
Anti Human Glutamate Pyruvate Transaminase 1
Product # :
ANT-778Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
Monoclonal antibody to glutamate-pyruvate-transaminase-1
Formulation
PBS, sodium chloride and 0.095 % NaN3 as a preservative.
Purity
Protein is >95% pure.
Citations
More Info
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Physical Appearance
Sterile Filtered clear solution.
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Stability
GPT1 Antibody although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
Immunoassay.
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Background
Monoclonal antibodies to Glutamate-Pyruvate Transaminase 1 (GPT/ALT1) are engineered proteins designed to bind GPT1, a key
metabolic enzyme, for applications such as Western Blotting, ELISA, and immunofluorescence. These antibodies (often Mouse IgG1) are needed to recognize liver injury/ ALT1 metabolic activity. -
Type
Mouse antibody Monoclonal.
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Purification Method
Purified monoclonal IgG1 by protein A 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.
- View Data Sheet
Name :
HCV NS5 Genotype 1aDescription:
Hepatitis C Virus NS5 Genotype-1a (2322-2423) Recombinant
Product # :
HCV-206Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
The E.coli derived recombinant protein contains the HCV NS5 Genotype1a immunodominant regions, amino acids 2322-2423 having a total Mw of 38.34kD which includes a 26Kda GST tag.
Formulation
50mM Tris, pH 8 & 5mM EDTA.
Purity
HCV NS5 Genotype-1a protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS5 Genotype-1a although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS5 Genotype-1a antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS5 Genotype-1a protein was 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 :
HCV NS5 Genotype-2Description:
Hepatitis C Virus NS5 Genotype-2 Recombinant
Product # :
HCV-229Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
The E.coli derived recombinant protein contains the HCV NS5 Genotype2 immunodominant regions.
Formulation
25mM Tris and 1mM EDTA, 1.5M urea & 50% glycerol.
Purity
HCV NS5 Genotype-2 protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Physical Appearance
Sterile Filtered clear solution.
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Stability
HCV NS5 Genotype-2 although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS5 Genotype-2 antigen is syuitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS5 Genotype-2 protein was 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 :
HCV NS5 Genotype-6Description:
Hepatitis C Virus NS5 Genotype-6 Recombinant
Product # :
HCV-224Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
The E.coli derived recombinant protein contains the HCV NS5 Genotype 6 immunodominant regions.
Formulation
25mM Tris-HCl, 1mM EDTA, 1.5M urea and 50% glycerol.
Purity
HCV NS5 Genotype-6 protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS5 Genotype-6 although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Applications
HCV NS5 Genotype-6 antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS5 Genotype-6 protein was 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 :
GH OvineDescription:
Growth Hormone Ovine Recombinant
GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin.
Product # :
CYT-237Price :
Quantity :
Shipping Method :
Shipped at Room temp
More Info
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- biological activity
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Description
Growth Hormone Ovine Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 191 amino acids and having a molecular mass of 21833 Dalton. The GH Ovine Recombinant is 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) Analysis by SEC-HPLC.
(b) Analysis by SDS-PAGE.Biological Activity
The activity as determined by the dose-dependant stimulation of the proliferation FDCP13B9 cells.Citations
More Info
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Introduction
GH is a member of the somatotropin/prolactin family of hormones which play an important role in growth control. The gene, along with four other related genes, is located at the growth hormone locus on chromosome 17 where they are interspersed in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. The five genes share a remarkably high degree of sequence identity. Alternative splicing generates additional isoforms of each of the five growth hormones, leading to further diversity and potential for specialization. This particular family member is expressed in the pituitary but not in placental tissue as is the case for the other four genes in the growth hormone locus. Mutations in or deletions of the gene lead to growth hormone deficiency and short stature.
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Synonyms
GH1, GH, GHN, GH-N, hGH-N,Pituitary growth hormone, Growth hormone 1, Somatotropin.
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Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
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Stability
Lyophilized Growth Hormone although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GH Ovine 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 Growth Hormone in sterile 0.4% NaHCO3 or water adjusted to pH-8-9, not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
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Amino Acid Sequence
1 afpamslsgl fanavlraqh lhqlaadtfk efertyipeg qrysiqntqv 51 afcfsetipa ptgkneaqqk sdlellrisl lliqswlgpl qflsrvftns 101 lvfgtsdrvy eklkdleegi lalmreledv tpragqilkq tydkfdtnmr 151 sddallknyg llscfrkdlh ktetylrvmk crrfgeasca f
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Protein content
Protein quantitation was carried out by UV spectroscopy at 280 nm using the absorbency value of 0.63 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the DNAman computer analysis program of protein sequences.
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 :
HCV NS4 a+bDescription:
Hepatitis C Virus NS4 a+b Recombinant
Product # :
HCV-264Price :
Quantity :
Shipping Method :
Shipped with Ice Packs
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Description
The E.coli derived 19 kDa recombinant protein contains the HCV NS4 immunodominant regions, amino acids 1658-1863. The protein is fused with b-galactosidase (114 kDa) at N-terminus, pI 5.45.
Formulation
20mM Tris-HCl pH 8, 8M urea.
Purity
HCV NS4 a+b protein is >95% pure as determined by 10% PAGE (coomassie staining).
Citations
More Info
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Introduction
HCV is a small 50nm, enveloped, single-stranded, positive sense RNAvirus in the family Flaviviridae.
HCV has a high rate of replication with approximately one trillion particles produced each day in an infected individual. Due to lack of proofreading by the HCV RNA polymerase, the HCV has an exceptionally high mutation rate, a factor that may help it elude the host's immune response. Hepatitis C virus is classified into six genotypes(1-6) with several subtypes within each genotype. The preponderance and distribution of HCV genotypes varies globally. Genotype is clinically important in determining potential response to interferon-based therapy and the required duration of such therapy. Genotypes 1 and 4 are less responsive to interferon-based treatment than are the other genotypes (2, 3, 5 and 6). -
Stability
HCV NS4 a+b although stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
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Amino Acid Sequence
1658 TWVLVGGVLAALAAYCLSTGCVVIVGRVVLSGKPAIIPDREVLYREF
DEMEECSQHLPYIEQGMMLAEQFKQKALGLLQTASRQAEVIAPAVQTNW
QKLETFWAKHMWNFISGIQYLAGLSTLPGNPAIASLMAFTAAVTSPLTTSQ
TLLFNILGGWVAAQLAAPGAATAFVGAGLAGAAIGSVGLGKVLIDILAGYGA
GVAGAL 1863. -
Applications
HCV NS4 a+b antigen is suitable for ELISA and Western blots, excellent antigen for detection of HCV with minimal specificity problems.
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Specificity
Immunoreactive with sera of HCV-infected individuals.
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Purification Method
HCV NS4 a+b protein was 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.