5EW9:
reference: A Cell Biologist's Field Guide to Aurora Kinase Inhibitors., de Groot CO, Hsia JE, Anzola JV, Motamedi A, Yoon M, Wong YL, Jenkins D, Lee HJ, Martinez MB, Davis RL, Gahman TC, Desai A, Shiau AK, Front Oncol. 2015 Dec 21;5:285. doi: 10.3389/fonc.2015.00285. eCollection 2015. PMID: 26732741

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