Factor V (Labile Factor) (Last Updated - 2/27/2005)

-involved in the common pathway
-gets activated to form Factor Va via catalysis by Factor IIa (thrombin)
-circulates unbound & also as a component of platelets

-click here to view an image of the clotting cascade

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References:

Goodman & Gilman's: The Pharmacologic Basis Of Therapeutics - 10th Edition - 2001. Chapter 55.