ID 3.4.21.5 DE thrombin. AN fibrinogenase. CA Selective cleavage of Arg-|-Gly bonds in fibrinogen to form fibrin and CA release fibrinopeptides A and B. CC -!- More selective than trypsin and plasmin. CC -!- Belongs to peptidase family S1. CC -!- Formerly EC 3.4.4.13. DR P00735, THRB_BOVIN ; P00734, THRB_HUMAN ; P19221, THRB_MOUSE ; DR Q19AZ8, THRB_PIG ; Q5R537, THRB_PONAB ; P18292, THRB_RAT ; DR P84122, THRB_SALSA ; //