| 6YJ5: reference: Mitochondrial complex I structure reveals ordered water molecules for catalysis and proton translocation., Grba DN, Hirst J, Nat Struct Mol Biol. 2020 Aug 3. pii: 10.1038/s41594-020-0473-x. doi:, 10.1038/s41594-020-0473-x. PMID: 32747785 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).