| 1FVA: reference: Structure and mechanism of peptide methionine sulfoxide reductase, an "anti-oxidation" enzyme., Lowther WT, Brot N, Weissbach H, Matthews BW, Biochemistry 2000 Nov 7;39(44):13307-12. PMID: 11063566 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).