5JIX:
reference: Structural Basis of Analog Specificity in PKG I and II., Campbell JC, Henning P, Franz E, Sankaran B, Herberg FW, Kim C, ACS Chem Biol. 2017 Aug 22. doi: 10.1021/acschembio.7b00369. PMID: 28793191

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