| 1LAF: reference: Structural basis for multiple ligand specificity of the periplasmic lysine-, arginine-, ornithine-binding protein., Oh BH, Ames GF, Kim SH, J Biol Chem 1994 Oct 21;269(42):26323-30. PMID: 7929349 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).