gamma-carboxyglutamic acid

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γ-carboxyglutamic acid

/γ-car·boxy·glu·ta·mic ac·id/ (kahr-bok″se-gloo-tam´ik) an amino acid occurring in biologically active prothrombin, and formed in the liver in the presence of vitamin K by carboxylation of glutamic acid residues in prothrombin precursor molecules.