| 6DRJ: reference: Architecture of the TRPM2 channel and its activation mechanism by ADP-ribose and calcium., Huang Y, Winkler PA, Sun W, Lu W, Du J, Nature. 2018 Oct;562(7725):145-149. doi: 10.1038/s41586-018-0558-4. Epub 2018 Sep, 24. PMID: 30250252 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).