| 4H1D: reference: Large lateral movement of transmembrane helix S5 is not required for substrate access to the active site of rhomboid intramembrane protease., Xue Y, Ha Y, J Biol Chem. 2013 Apr 22. PMID: 23609444 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).