5BCA:
reference: Crystal structure of beta-amylase from Bacillus cereus var. mycoides at 2.2 A resolution., Oyama T, Kusunoki M, Kishimoto Y, Takasaki Y, Nitta Y, J Biochem (Tokyo) 1999 Jun;125(6):1120-30. PMID: 10348915

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