Human CellExp™ TNFRII, human recombinant

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SKU:
7394-10
£135.37
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Description

Human CellExp™ TNFRII, human recombinant is available at Gentaur for Next week delivery.

Plays a role in stimulating apoptosis.

Biomolecule/Target: TNFRII

Alternates names: TNFRSF1B, CD120b, TNFRII

Synonyms: TNFRSF1B, CD120b, TNFRII

Background Information: TNF RI (also known as the p60 or p55 TNFR) and TNF RII (the p75 or p80 TNFR) are two distinct type I transmembrane glycoproteins that bind TNF with high affinity. Both RI and RII are prototypic members of the TNF receptor superfamily and have been designated TNFRSF1A and TNFRSF1B, respectively. Human TNF RII cDNA encodes a 461 amino acid (aa) residue precursor protein with a 22 aa putative signal peptide, a 235 aa extracellular domain, a 20 aa transmembrane domain and a 174 aa cytoplasmic domain. TNFRII is expressed in fetal brain. The protein is produced naturally as a soluble form (sTNFRII). The soluble receptor inhibits TNFα action by competing with cell surface receptors in binding TNFα, thereby blocking its biologic effects. TNFRII is strongly expressed at the cartilage–pannus junction, and plays a major role in a subset of families with multiple cases of rheumatoid arthritis (RA). Further, high plasma levels of sTNFRII were significantly associated with increased incidence of coronary heart disease, independent of established cardiovascular risk factors, and seems to be useful for monitoring the inflammatory activity of sarcoidosis.

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

NCBI Gene Symbol: TNFRII

Gene ID: 7133

NCBI Accession: P20333

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Additional Information

Size:
10 μg
Country of Manufacturing Origin:
USA
Country of Animal Origin:
USA
Gene Source:
Human
Recombinant:
Yes
Source:
HEK293 cells
Purity by SDS-PAGE:
≥95%
Assay:
SDS-PAGE
Purity:
N/A
Assay 2:
N/A
Endotoxin Level:
<1 EU/μg by LAL method
Activity (Specifications/test method):
N/A
Biological activity:
Measured by its ability to inhibit the TNFα mediated cytotoxicity in the L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is typically 0.05-0.5 μg/mL in the presence of 0.25 ng/mL rhTNFα.
Results:
Measured by its ability to inhibit the TNFα mediated cytotoxicity in the L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. The ED50 for this effect is typically 0.05-0.5 μg/mL in the presence of 0.25 ng/mL rhTNFα.
Molecular Weight:
This protein is fused with a C-terminal 6×his tag, has a calculated MW of 26 kDa. The predicted N-terminus is Leu23. Protein migrates as 23-26 kDa in reduced SDS-PAGE due to glycosylation.
Storage Temperature:
-20°C
Shelf Life:
12 months
Concentration:
N/A
Appearance:
Lyophilized
Handling:
Centrifuge the vial prior to opening.
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