| 6GVJ: reference: A crystal structure of the human protein kinase Mps1 reveals an ordered conformation of the activation loop., Roorda JC, Joosten RP, Perrakis A, Hiruma Y, Proteins. 2018 Dec 23. doi: 10.1002/prot.25651. PMID: 30582207 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).