| 4UX7: reference: Structure and function of a Clostridium difficile sortase enzyme., Chambers CJ, Roberts AK, Shone CC, Acharya KR, Sci Rep. 2015 Mar 24;5:9449. doi: 10.1038/srep09449. PMID: 25801974 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).