| 1TQQ: reference: Structure of the Ligand-blocked Periplasmic Entrance of the Bacterial Multidrug Efflux Protein TolC., Higgins MK, Eswaran J, Edwards P, Schertler GF, Hughes C, Koronakis V, J Mol Biol 2004 Sep 17;342(3):697-702. PMID: 15342230 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).