2IHT:
reference: Structural and mechanistic studies on N(2)-(2-carboxyethyl)arginine synthase., Caines ME, Sorensen JL, Schofield CJ, Biochem Biophys Res Commun. 2009 Aug 7;385(4):512-7. Epub 2009 May 27. PMID: 19477162

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