| 2PAH: reference: Structure of tetrameric human phenylalanine hydroxylase and its implications for phenylketonuria., Fusetti F, Erlandsen H, Flatmark T, Stevens RC, J Biol Chem 1998 Jul 3;273(27):16962-7. PMID: 9642259 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).