Which one of the following amino acid residue is carboxylated by Vitamin K?
Vitamin K is the cofactor for g-carboxylation of glutamate residues of protein to produce g-carboxy glutamate (gla). This process is known as Vitamin K epoxide cycle (as illustrated in the image below).
Aspaate
Glutamate
Tryptophan
Tyrosine
Vitamins and Minerals