5JR7:
reference: Structure of a PKA RIalpha Recurrent Acrodysostosis Mutant Explains Defective cAMP-Dependent Activation., Bruystens JG, Wu J, Fortezzo A, Del Rio J, Nielsen C, Blumenthal DK, Rock R, Stefan E, Taylor SS, J Mol Biol. 2016 Dec 4;428(24 Pt B):4890-4904. doi: 10.1016/j.jmb.2016.10.033., Epub 2016 Nov 5. PMID: 27825928

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