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Information on EC 3.4.21.6 - coagulation factor Xa

for references in articles please use BRENDA:EC3.4.21.6

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IUBMB Comments

A blood coagulation factor formed from the proenzyme factor X by limited proteolysis. Factor X is a glycoprotein composed of a heavy chain and a light chain, which are generated from a precursor protein by the excision of the tripeptide RKR and held together by one or more disulfide bonds. The activated factor Xa converts prothrombin to thrombin in the presence of factor Va, Ca2+ and phospholipids. Scutelarin (EC 3.4.21.60) has similar specificity, but does not require factor Va.

The enzyme appears in viruses and cellular organisms
Reaction Schemes
selective cleavage of Arg-/-Thr and then Arg-/-Ile bonds in prothrombin to form thrombin

Synonyms
thromboplastin, factor xa, factor x, fxa, prothrombinase, activated factor x, coagulation factor x, coagulation factor xa, blood coagulation factor xa, blood coagulation factor x, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
selective cleavage of Arg-/-Thr and then Arg-/-Ile bonds in prothrombin to form thrombin
show the reaction diagram
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