| 3UYL: reference: Structural Studies of the Spinosyn Rhamnosyltransferase, SpnG., Isiorho EA, Liu HW, Keatinge-Clay AT, Biochemistry. 2012 Feb 14;51(6):1213-22. Epub 2012 Feb 3. PMID: 22283226 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).