Article
Cellular and biochemical approaches to define GGCX carboxylation of vitamin K-dependent proteins.
Methods in enzymology - 1 Jan 2024
Berkner Kathleen L, Hallgren Kevin W, Rishavy Mark A, Runge Kurt W
Abstract excerpt
The gamma-glutamyl carboxylase (GGCX) generates clusters of carboxylated glutamic acid residues in vitamin K-dependent (VKD) proteins, which is required for their diverse functions including hemostasis and regulation of calcification. The GGCX modifies a VKD protein using several substrates and cofactors, and has regulatory mechanisms like processivity that ensures full carboxylation of VKD proteins. The GGCX...
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