| 4EVV: reference: Excision of thymine and 5-hydroxymethyluracil by the MBD4 DNA glycosylase domain: structural basis and implications for active DNA demethylation., Hashimoto H, Zhang X, Cheng X, Nucleic Acids Res. 2012 Jun 27. PMID: 22740654 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).