| 4WXC: 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 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).