2EXL:
reference: Different poses for ligand and chaperone in inhibitor-bound Hsp90 and GRP94: implications for paralog-specific drug design., Immormino RM, Metzger LE 4th, Reardon PN, Dollins DE, Blagg BS, Gewirth DT, J Mol Biol. 2009 May 22;388(5):1033-42. Epub 2009 Apr 8. PMID: 19361515

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