1WYI:
reference: Structure of a high-resolution crystal form of human triosephosphate isomerase: improvement of crystals using the gel-tube method., Kinoshita T, Maruki R, Warizaya M, Nakajima H, Nishimura S, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2005 Apr 1;61(Pt, 4):346-9. Epub 2005 Mar 24. PMID: 16511037

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