gamma-carboxyglutamic acid

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gamma-carboxyglutamic acid

biochemistry

Also known as: γ-carboxyglutamic acid

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role in blood-clotting mechanism

In bleeding and blood clotting: Synthesis of blood-clotting proteins
…modified glutamic acid known as γ-carboxyglutamic acid. This enzyme reaction, known as γ-carboxylation, requires vitamin K as a cofactor. γ-Carboxyglutamic acid is a unique amino acid that binds to calcium. In the protein, γ-carboxyglutamic acids form the calcium-binding sites that characterize this form of calcium-binding protein, the vitamin K-dependent proteins.…
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