| 1B2X: reference: A structural double-mutant cycle: estimating the strength of a buried salt bridge in barnase., Vaughan CK, Harryson P, Buckle AM, Fersht AR, Acta Crystallogr D Biol Crystallogr. 2002 Apr;58(Pt 4):591-600. Epub 2002, Mar 22. PMID: 11914482 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).