| 6FL9: reference: Crystal structures of a pentameric ion channel gated by alkaline pH show a widely open pore and identify a cavity for modulation., Hu H, Nemecz A, Van Renterghem C, Fourati Z, Sauguet L, Corringer PJ, Delarue M, Proc Natl Acad Sci U S A. 2018 Apr 24;115(17):E3959-E3968. doi:, 10.1073/pnas.1717700115. Epub 2018 Apr 9. PMID: 29632192 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).