This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
[{'content': 'Vitamin K is involved in the post-translational modiffication of? \nSelect and explain. \nA. Glutamate, B. Aspaate, C. Glycine, D. GABA', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vit K is involved in the gamma carboxylation of glutamate . From essential of medical pharmacology K D Tripati 7th edition Page no 613', 'role': 'assistant'}]