| 4F83: reference: Structural insights into the functional role of the Hcn sub-domain of the receptor-binding domain of the botulinum neurotoxin mosaic serotype C/D., Zhang Y, Gardberg AS, Edwards TE, Sankaran B, Robinson H, Varnum SM, Buchko GW, Biochimie. 2013 Jul;95(7):1379-85. doi: 10.1016/j.biochi.2013.03.006. Epub 2013, Mar 21. PMID: 23523511 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).