Factor IXa

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.

Also Known As:

Coagulation Factor IXa; Blood Coagulation Factor IX, Activated; Factor 9A; Factor Nine A; Activated Factor IX; Factor IXa, Coagulation; Factor IX, Activated

Enzymes and Coenzymes: 1
- Enzymes: 152586
  - Hydrolases: 2166
    - Peptide Hydrolases: 23957
      - Serine Proteases: 3726
        Serine Endopeptidases: 11
        Factor IXa: 90
      - Endopeptidases: 633
        Serine Endopeptidases: 11
        Factor IXa: 90
Amino Acids, Peptides, and Proteins: 1
- Proteins: 484843
  - Blood Proteins: 12459
    - Blood Coagulation Factors: 5376
      - Factor IX: 1840
        Factor IXa: 90
Biological Factors: 2472
- Blood Coagulation Factors: 5376
  - Factor IX: 1840
    - Factor IXa: 90

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Disease

Drug/Important Bio-Agent (IBA)