1GAL:
reference: Crystal structure of glucose oxidase from Aspergillus niger refined at 2.3 A resolution., Hecht HJ, Kalisz HM, Hendle J, Schmid RD, Schomburg D, J Mol Biol 1993 Jan 5;229(1):153-72. PMID: 8421298

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