2KWA:
reference: A Novel Structure of an Antikinase and its Inhibitor., Jacques DA, Langley DB, Hynson RM, Whitten AE, Kwan A, Guss JM, Trewhella J, J Mol Biol. 2010 Nov 2. PMID: 21050859

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