5LJJ:
reference: Structural basis of reversine selectivity in inhibiting Mps1 more potently than aurora B kinase., Hiruma Y, Koch A, Dharadhar S, Joosten RP, Perrakis A, Proteins. 2016 Oct 3. doi: 10.1002/prot.25174. PMID: 27699881

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).