tenase

(noun)

An enzyme activated by a calcium and phospholipid complex that converts prothrombin to thrombin in the common pathway.

Related Terms

Examples of tenase in the following topics:

  • Role of Vitamin K

    • This enzyme is called tenase, and converts prothrombin to thrombin.
    • Calcium mediates the binding of the tenase enzyme complexes (via the terminal gamma-carboxy residues on FXa and FIXa) to the phospholipid surfaces expressed by platelets, which in turn activates prothrombin to produce thrombin, which then produces fibrin from fibrinogen.