Thrombin
Definition:
EC Tree > 3 Hydrolases > 3.4 Acting on peptide bonds (peptidases) > 3.4.21 Serine endopeptidases > 3.4.21.5 thrombin
Thrombin is a trypsin-family (S1) serine protease formed from prothrombin, more selective than trypsin and plasmin, which selectively cleaves Arg-Gly bonds in fibrinogen to form fibrin and release fibrinopeptides A and B. By clotting fibrinogen and activating platelets it is the central enzyme of haemostasis. It appears in viruses and cellular organisms.
Thrombin is a trypsin-family (S1) serine protease formed from prothrombin, more selective than trypsin and plasmin, which selectively cleaves Arg-Gly bonds in fibrinogen to form fibrin and release fibrinopeptides A and B. By clotting fibrinogen and activating platelets it is the central enzyme of haemostasis. It appears in viruses and cellular organisms.
References:
Biomedical Dictionary
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