Vitamin k is responsible for the carboxylation of which amino acid in the clotting factors
Correct Answer: Glutamate
Description: Ref Robbins 8/e p 119;9/e p119 The vitamin K-dependent carboxylase carries out the posttranslational modification of specific glutamate residues in proteins togamma-carboxy glutamic acid (Gla) in the presence of reduced vitamin K, molecular oxygen, and carbon dioxide.
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