| 3B4C: reference: Essential role of an active-site guanine in glmS ribozyme catalysis., Klein DJ, Been MD, Ferre-D'Amare AR, J Am Chem Soc. 2007 Dec 5;129(48):14858-9. Epub 2007 Nov 9. PMID: 17990888 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).