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Human TNFR2 / CD120b / TNFRSF1B Protein  pdf  pdf  pdf

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Human TNFR2 / CD120b / TNFRSF1B Protein, Leu 23 - Asp 257 (Accession # AAA36755) was produced in human 293 cells (HEK293) at ACROBiosystems.

Molecular Characterization

TNFR2 (Leu 23-Asp 257)AAA36755

Human TNFR2, His Tag is fused with a polyhistidine tag at the C-terminus, and has a calculated MW of 26 kDa. The predicted N-terminus is Leu 23 . The reducing (R) protein migrates as 35-40 kDa in SDS-PAGE due to glycosylation.


Less than 1.0 EU per μg by the LAL method.


>95% as determined by SDS-PAGE.


Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally Trehalose is added as protectant before lyophilization.

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See Certificate of Analysis for reconstitution instructions and specific concentrations.


Avoid repeated freeze-thaw cycles.

No activity loss was observed after storage at:
In lyophilized state for 1 year (4°C); After reconstitution under sterile conditions for 3 months (-70°C).


Human TNFR2 / CD120b / TNFRSF1B Protein

Human TNFR2, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.



Immobilized ActiveMax® Human TNF-alpha (Catalog # TNA-H4211) at 5 μg/mL (100 μl/well) can bind Human TNFR2, His Tag (Catalog # TN2-H5227). The EC50 of human TNFR2 is 647 ng/mL (Routinely tested).

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Immobilized ActiveMax® Human TNF-beta (Cat# TNB-H5214) at 5 μg/mL (100 µl/well),can bind Human TNFR2, His Tag (Cat# TN2-H5227) with a linear range of 2-62 ng/mL (QC tested).

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TNF RI is 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 highaffinity.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.

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