6AH8:
reference: Repurposing a bacterial prolidase for organophosphorus hydrolysis: Reshaped catalytic cavity switches substrate selectivity., Yang J, Xiao YZ, Li R, Liu Y, Long LJ, Biotechnol Bioeng. 2020 Sep;117(9):2694-2702. doi: 10.1002/bit.27455. Epub 2020, Jun 26. PMID: 32515491

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