4CKD:
reference: Molecular Mechanism of Antibody-Mediated Activation of beta-galactosidase., Vinothkumar KR, McMullan G, Henderson R, Structure. 2014 Mar 4. pii: S0969-2126(14)00039-2. doi:, 10.1016/j.str.2014.01.011. PMID: 24613486

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