1BGA:
reference: Crystal structure of beta-glucosidase A from Bacillus polymyxa: insights into the catalytic activity in family 1 glycosyl hydrolases., Sanz-Aparicio J, Hermoso JA, Martinez-Ripoll M, Lequerica JL, Polaina J, J Mol Biol 1998 Jan 23;275(3):491-502. PMID: 9466926

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