| 1FR3: reference: Structure of the molybdate/tungstate binding protein mop from Sporomusa ovata., Wagner UG, Stupperich E, Kratky C, Structure Fold Des 2000 Nov 15;8(11):1127-36. PMID: 11080635 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).