| 3LBN: reference: Allosteric modulation of Ras positions Q61 for a direct role in catalysis., Buhrman G, Holzapfel G, Fetics S, Mattos C, Proc Natl Acad Sci U S A. 2010 Mar 16;107(11):4931-6. Epub 2010 Mar 1. PMID: 20194776 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).