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This antibody recognizes an extracellular epitope on SCR4 (the membrane-proximal SCR) domain of CD46 (Membrane cofactor protein). CD46 is 56-66 kDa dimeric transmembrane protein expressed on T and B lymphocytes, platelets, monocytes, granulocytes, endothelial cells, epithelial cells and fibroblast; it is negative on erythrocytes.
CD46 (MCP, membrane cofactor protein) is a multifunctional cell surface transmembrane protein that binds and inactivates C3b and C4b complement fragments, regulates T cell-induced inflammatory responses by either inhibiting (CD46-1 isoform) or increasing (CD46-2 isoform) the contact hypersensitivity reaction. CD46 also serves as a receptor for several human pathogens (both bacteria and viruses), and its ligation alteres T lymphocyte polarization toward antigen-presenting cells or target cells, inhibiting lymphocyte function. CD46 is a protector of placental tissue and is also expressed on the inner acrosomal membrane of spermatozoa.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
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蛋白别名: antigen identified by monoclonal antibody TRA-2-10; brain microvascular membrane cofactor; CD46; CD46 antigen, complement regulatory protein; CD46 molecule, complement regulatory protein; complement membrane cofactor protein; complement regulatory protein; MCP; complement activation regulator; measles virus receptor; Membrane cofactor protein; membrane cofactor protein (CD46, trophoblast-lymphocyte cross-reactive antigen); membrane cofactor protein variant 10; membrane cofactor protein variant 7; membrane cofactor protein variant 8; membrane cofactor protein variant 9; MGC26544; soluble membrane cofactor protein variant 11; soluble membrane cofactor protein variant 12; soluble membrane cofactor protein variant 13; TLX; trophoblast leucocyte common antigen; Trophoblast leukocyte common antigen; trophoblast-lymphocyte cross-reactive antigen
基因别名: AHUS2; CD46; MCP; MIC10; TLX; TRA2.10
UniProt ID: (Human) P15529, (Bovine) Q6VE48
Entrez Gene ID: (Human) 4179, (Bovine) 280851