Factor IX

Storage-stable blood coagulation factor acting in the intrinsic pathway of blood coagulation. Its activated form, IXa, forms a complex with factor VIII and calcium on platelet factor 3 to activate factor X to Xa. Deficiency of factor IX results in HEMOPHILIA B (Christmas Disease).

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Tree Number(s): D08.622.355, D12.776.124.125.375, D12.776.811.243.355, D23.119.375

MeSH Unique ID: D005164

Registry Number: 9001-28-9

Entry Terms:

• Factor Nine
• Autoprothrombin II
• Christmas Factor
• Coagulation Factor IX
• Factor IX, Coagulation
• Plasma Thromboplastin Component
• Blood Coagulation Factor IX
• Factor IX Complex
• Factor 9
• Factor IX Fraction

See Also:

• Coagulants

All MeSH Categories
Chemicals and Drugs Category
Enzymes and Coenzymes
Enzyme Precursors
Factor IX

All MeSH Categories
Chemicals and Drugs Category
Amino Acids, Peptides, and Proteins
Proteins
Blood Proteins
Blood Coagulation Factors
Factor IX
Factor IXa

All MeSH Categories
Chemicals and Drugs Category
Amino Acids, Peptides, and Proteins
Proteins
Protein Precursors
Enzyme Precursors
Factor IX

All MeSH Categories
Chemicals and Drugs Category
Biological Factors
Blood Coagulation Factors
Factor IX
Factor IXa