1OBB:
reference: Crystal structure of Thermotoga maritima alpha-glucosidase AglA defines a new clan of NAD+-dependent glycosidases., Lodge JA, Maier T, Liebl W, Hoffmann V, Strater N, J Biol Chem 2003 May 23;278(21):19151-8. PMID: 12588867

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