3PDS:
reference: Structure and function of an irreversible agonist-beta(2) adrenoceptor complex., Rosenbaum DM, Zhang C, Lyons JA, Holl R, Aragao D, Arlow DH, Rasmussen SG, Choi HJ, Devree BT, Sunahara RK, Chae PS, Gellman SH, Dror RO, Shaw DE, Weis WI, Caffrey M, Gmeiner P, Kobilka BK, Nature. 2011 Jan 13;469(7329):236-40. PMID: 21228876

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