2B5D:
reference: Structure of the novel alpha-amylase AmyC from Thermotoga maritima., Dickmanns A, Ballschmiter M, Liebl W, Ficner R, Acta Crystallogr D Biol Crystallogr. 2006 Mar;62(Pt 3):262-70. Epub 2006, Feb 22. PMID: 16510973

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