3IWC:
reference: Complexes of Thermotoga maritimaS-adenosylmethionine decarboxylase provide insights into substrate specificity., Bale S, Baba K, McCloskey DE, Pegg AE, Ealick SE, Acta Crystallogr D Biol Crystallogr. 2010 Feb;66(Pt 2):181-9. Epub 2010, Jan 22. PMID: 20124698

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