This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mutations & Codons, Subject name: Biochemistry
[{'content': 'Defect in which of the following protein leads to Rett syndrome? \nSelect and explain. \nA. Histone acetyl transferase, B. Methyl cytosine binding protein, C. Ten eleven translocase, D. DNA methylase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rett syndrome : a.k.a. , Cerebro-atrophic hyperammonemias X-linked dominant disorder. Defective protein - methyl CpG binding protein . Methyl cytosine binding proteins are epigenetic code reader.', 'role': 'assistant'}]