Name:
B7-H3/CD276 Protein
Synonyms:
B7H3, B7-H3, CD276 antigen, CD276 molecule, CD276, B7H34Ig-B7-H3, B7-H3B7 homolog 3, Costimulatory molecule
Species Name:
Cynomolgus
Label Name:
His Tag
Marker Name:
Unconjugated
Accession:
XP_015308534.1
Gene Id:
Leu29-Glu465, with C-terminal 10*HisLEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEGRDQGSAYANRTALFLDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGAPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSITITPQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEGRDQGSAYANRTALFLDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGAPLTGNVTTSQMANEQGLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPPEGGGSGGGSHHHHHHHHHH
Molecular Weight:
68-85kDa
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-h3 (B7 homolog 3 protein), also known as CD276, is an important immune checkpoint molecule in the B7-CD28 family. It is a type I transmembrane glycoprotein consisting of 316 amino acids and contains a putative 28AA signal peptide, a 217AA extracellular region composed of immunoglobulin constant (IgC) and variable (IgV) structures, a transmembrane region, and a 45-amino acid cytoplasmic domain. B7-H3 is a T cell co-suppressor molecule with partial co-stimulatory function. B7-H3 can effectively inhibit the function of T cells and NK cells, and also play a role in bone development. The expression of B7-H3 is low in normal tissues and is found in a variety of malignant tumors, which is closely related to the growth, metastasis, recurrence and poor prognosis of malignant tumors. B7-H3 can down-regulate T-assisted type 1 mediated immune response, inhibit CD4+T cell activation and inhibit cytokine production, and thus may play a role in promoting immune escape of cancer cells.
Reference:
1.Liu J. et al. (2021) Targeting B7-H3 via chimericantigen receptor T cells and bispecific killer cell engagers augments antitumorresponse of cytotoxic lymphocytes. J Hematol Oncol. 14(1): 21.
Related category websites: https://www.medchemexpress.com/recombinant-proteins.html
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