Carboxypeptidase B2
（重定向自TAFI）
![](/Images/godic/202502/14/Protein_CPB2_PDB_3D662934.png")
![](/Images/godic/202502/14/PBB_GE_CPB2_206651_s_at_tn2934.png")
![](/Images/godic/202502/14/Fibrinolysis2934.png")
Carboxypeptidase B2 (CPB2), also known as carboxypeptidase U (CPU), plasma carboxypeptidase B (pCPB) or thrombin-activatable fibrinolysis inhibitor (TAFI), is an enzyme that, in humans, is encoded by the gene CPB2.