1MHM:
reference: Monomeric S-adenosylmethionine decarboxylase from plants provides an alternative to putrescine stimulation., Bennett EM, Ekstrom JL, Pegg AE, Ealick SE, Biochemistry 2002 Dec 10;41(49):14509-17. PMID: 12463749

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