Q作用机理(参与羧化反应 Vitamin K Mechanism of Action Prothrombin Precursor Prothrombin HN-CH-cO HN-cH一co 阝cF CH Glutamic Acid Y-Carboxyglutamic Acid Y CH? CoOH HOOC COOH Carboxylase 0 CH H2 R Reduced vitamin Oxidized Vitamin K作用机理 (参与羧化反应)