1TLU:
reference: Evolutionary Links as Revealed by the Structure of Thermotoga maritima S-Adenosylmethionine Decarboxylase., Toms AV, Kinsland C, McCloskey DE, Pegg AE, Ealick SE, J Biol Chem 2004 Aug 6;279(32):33837-46. Epub 2004 May 18. PMID: 15150268

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