Den aktiverade formen av faktor IX. Aktiveringen sker via en inre process genom aktivering av faktor XIa och kalcium eller via en yttre process genom aktivering av faktor VIIa, tromboplastin och kalcium. Faktor IXa medverkar till att faktor X aktiveras till Xa genom att spjälka arginyl-leucinpeptidbindningen i faktor X.
Activated form of factor IX. This activation can take place via the intrinsic pathway of blood coagulation by the action of factor XIa and calcium, or via the extrinsic pathway by the action of factor VIIa, thromboplastin, and calcium. Factor IXa serves to activate factor X to Xa by cleaving the arginyl-leucine peptide bond in factor X.
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Coagulation Factor IXa — Factor IXa, Coagulation — Blood Coagulation Factor IX, Activated — Factor IX, Activated — Activated Factor IX — Factor 9A — Factor Nine A