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DNA-3-methyladenine glycosylase II : ウィキペディア英語版 | DNA-3-methyladenine glycosylase II
DNA-3-methyladenine glycosylase II () is an enzyme that catalyses the following chemical reaction: : Hydrolysis of alkylated DNA, releasing 3-methyladenine, 3-methylguanine, 7-methylguanine and 7-methyladenine Involved in the removal of alkylated bases from DNA in ''Escherichia coli''. == Evolution ==
Through the process of convergent evolution, there are at least two unrelated protein folds that share the same DNA-3-methyladenine glycosylase activity. The first, the AlkA N-terminal domain, is found in bacteria . The second, methylpurine-DNA glycosylase (MPG) is found in vertebrates including humans.
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