| 2E20: reference: Crystal structures of Salmonella typhimurium propionate kinase and its complex with Ap4A: evidence for a novel Ap4A synthetic activity., Simanshu DK, Savithri HS, Murthy MR, Proteins. 2008 Mar;70(4):1379-88. PMID: 17894350 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).