| 2NPJ: An Unusual Twin-His Arrangement In The Pore Of Ammonia Chann Essential For Substrate Conductance reference: An unusual twin-His arrangement in the pore of ammonia channels is essential for substrate conductance., Javelle A, Lupo D, Zheng L, Li XD, Winkler FK, Merrick M, J Biol Chem. 2006 Oct 12;. PMID: 17040913 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).