| 1I8D: reference: Crystal structure of riboflavin synthase., Liao DI, Wawrzak Z, Calabrese JC, Viitanen PV, Jordan DB, Structure (Camb) 2001 May 9;9(5):399-408. PMID: 11377200 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).