3CGY:
reference: The Hsp90 inhibitor radicicol interacts with the ATP-binding pocket of bacterial sensor kinase PhoQ., Guarnieri MT, Zhang L, Shen J, Zhao R, J Mol Biol. 2008 May 23;379(1):82-93. Epub 2008 Mar 26. PMID: 18440021

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