4I5H:
reference: Sequence determinants of a specific inactive protein kinase conformation., Hari SB, Merritt EA, Maly DJ, Chem Biol. 2013 Jun 20;20(6):806-15. doi: 10.1016/j.chembiol.2013.05.005. PMID: 23790491

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