1NMQ:
reference: In situ assembly of enzyme inhibitors using extended tethering., Erlanson DA, Lam JW, Wiesmann C, Luong TN, Simmons RL, DeLano WL, Choong IC, Burdett MT, Flanagan WM, Lee D, Gordon EM, O'Brien T, Nat Biotechnol 2003 Mar;21(3):308-14. PMID: 12563278

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