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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following is required for glycogen phosphorylase in glycogenolysis?
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The correct answer is  Ans: B (Pyridoxal phosphate) Ref: Harper's Illustrated Biochemistry, 28th edition.Explanation:Glycogen phosphorylaseThis enzyme catalyzes the rate-limiting step in glvcogenolysis by releasing glucose-i- phosphate from the terminal alpha-1, 4- glycosidic bond.Glycogen phosphorylase has a pyridoxal phosphate (PLP. derived from Vitamin B6) at each catalytic site.