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coagulation factor Xa

Function: - vitamin K-dependent serine protease - proteolytically activates prothrombin in the presence of factor Va, Ca+2 & phospholipid during blood clotting - selective cleavage of Arg-|-Thr & then Arg-|-Ile bonds in prothrombin to form thrombin Pharmacology: - factor Xa inhibitors are used as anticoagulant in prophylaxis for venous thromboembolism

Interactions

molecular events

Related

coagulation cascade coagulation factor X; Stuart factor; Stuart-Prower factor; contains: factor X light chain; factor X heavy chain; activated factor Xa heavy chain (F10) coagulation factor Xa inhibitor

Specific

recombinant factor Xa (Andexxa)

General

coagulation factor serine protease trypsin family

Properties

COMPARTMENT: plasma STATE: active state MOTIF: charge relay system MOTIF: aspartate residue histidine residue serine residue allosteric site FOR-BINDING-OF: antithrombin-III

Component-of

macromolecular complex