Name:
B7-H3/CD276 Protein
Synonyms:
B7 homolog 3 (B7-H3), CD276, B7 homolog 3
Species Name:
Human
Label Name:
Human Fc
Marker Name:
Unconjugated
Accession:
Q5ZPR3-2
Gene Id:
Leu29-Pro245, with C-terminal Human IgG1 FcLEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPIEGRMDPKSSDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
Molecular Weight:
60-70kDa
Purity:
＞95% by SDS-PAGE
Physical Appearance Name:
Lyophilized Powder
Endotoxin Name:
<0.1EU/μg
Reconstitution:
Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
Stability Storage:
12 months from date of receipt, -20 to -70 °C as supplied; 6 months, -20 to -70 °C under sterile conditions after reconstitution; 1 week, 2 to 8 °C under sterile conditions after reconstitution; Please avoid repeated freeze-thaw cycles.
Buffer System:
PBS, pH7.4
Quality Statement:
B7 homolog 3 (B7-H3, CD276) is a member of the B7 family of cell surface ligands that regulate T cell activation and immune responses. B7-H3 protein contains two extracellular Ig-like V-type domains and two IgG-like C2-type domains, a transmembrane domain, and a short intracellular domain. Early research examining the biological process of B7-H3 suggested that B7-H3 is a positive regulator of T cell response. Subsequent research studies indicated that B7-H3 is a negative regulator of T cell response, and that the protein inhibits T cell proliferation. One possibility is that B7-H3 interacts with two distinct sets of receptors, resulting in seemingly opposite biological outcomes. B7-H3 is expressed by antigen presenting cells, activated T cells, and a few normal tissues, including placenta and prostate. Expression of B7-H3 is seen in several cancer types, including prostate, breast, colon, lung, and gastric cancers, and in endothelial cells from tumor associated vasculature.
Reference:
1.\tA I Chapoval et al. B7-H3: a costimulatory molecule for T cell activation and IFN-gamma production.Nat Immunol. 2001 Mar;2(3):269-74. doi: 10.1038/85339.
Related category websites: https://www.medchemexpress.com/recombinant-proteins.html
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