| 1QNT: reference: Crystal structure of the human O(6)-alkylguanine-DNA alkyltransferase., Wibley JE, Pegg AE, Moody PC, Nucleic Acids Res 2000 Jan 15;28(2):393-401. PMID: 10606635 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).