5K8S:
reference: Disrupting the allosteric interaction between the Plasmodium falciparum cAMP-dependent kinase and its regulatory subunit., Littler DR, Bullen HE, Harvey KL, Beddoe T, Crabb BS, Rossjohn J, Gilson PR, J Biol Chem. 2016 Oct 13. pii: jbc.M116.750174. PMID: 27738107

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