Mouse Factor Xa

Localization: Plasma Mode of action: Enzyme component of the prothrombinase complex Molecular weight: 46,000 (human) (4) 45,300 (bovine) (5) Extinction coefficient: E 1 % 1 c m, 280 nm = 11.6 (human) (6) = 12.4 (bovine) (7) Specific activity: approximately 1000 units/mg Structure: two subunits, Mr=16,200 and 29,000 (human) (6), Mr=16,500 and 28,800 (bovine) (5), NH2-terminal gla domain, two EGF domains Percent carbohydrate: 3.0 % (human) (8) 2.1 % (bovine) (8) Post-translational modifications: eleven gla residues, one β-hydroxyaspartate