1A3L:
reference: An antibody exo Diels-Alderase inhibitor complex at 1.95 angstrom resolution., Heine A, Stura EA, Yli-Kauhaluoma JT, Gao C, Deng Q, Beno BR, Houk KN, Janda KD, Wilson IA, Science 1998 Mar 20;279(5358):1934-40. PMID: 9506943

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