5XQW:
reference: Structural basis of the broad substrate tolerance of the antibody 7B9-catalyzed hydrolysis of p-nitrobenzyl esters., Miyamoto N, Yoshimura M, Okubo Y, Suzuki-Nagata K, Tsumuraya T, Ito N, Fujii I, Bioorg Med Chem. 2018 May 1;26(8):1412-1417. doi: 10.1016/j.bmc.2017.07.050. Epub, 2017 Aug 19. PMID: 29496413

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