Carboxypeptidases are enzymes that hydrolyze C-terminal peptide bonds. The carboxypeptidase family includes metallo-, serine, and cysteine carboxypeptidases. According to their substrate specificity, these enzymes are referred to as carboxypeptidase A (cleaving aliphatic residues) or carboxypeptidase B (cleaving basic amino residues). CPB2 is activated by trypsin and acts on carboxypeptidase B substrates. After thrombin activation, the mature protein downregulates fibrinolysis. Polymorphisms have been described for its gene and its promoter region.
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Protein Aliases: carboxypeptidase B-like protein; Carboxypeptidase B2; carboxypeptidase B2 (plasma); carboxypeptidase B2 (plasma, carboxypeptidase U); carboxypeptidase R; Carboxypeptidase U; CPU; pCPB; Plasma carboxypeptidase B; TAFI; Thrombin-activable fibrinolysis inhibitor; thrombin-activatable fibrinolysis inhibitor
Gene Aliases: CPB2; CPU; PCPB; TAFI
UniProt ID: (Human) Q96IY4
Entrez Gene ID: (Human) 1361