4WXD:
reference: Crystal structure of Mycobacterium tuberculosis O6-methylguanine-DNA methyltransferase protein clusters assembled onto damaged DNA., Miggiano R, Perugino G, Ciaramella M, Serpe M, Rejman D, Pav O, Pohl R, Garavaglia S, Lahiri S, Rizzi M, Rossi F, Biochem J. 2015 Oct 28. pii: BJ20150833. PMID: 26512127

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