2A1X:
reference: Structure of human phytanoyl-CoA 2-hydroxylase identifies molecular mechanisms of Refsum disease., McDonough MA, Kavanagh KL, Butler D, Searls T, Oppermann U, Schofield CJ, J Biol Chem 2005 Dec 9;280(49):41101-10. Epub 2005 Sep 25. PMID: 16186124

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).