2BZ5:
reference: Structure-based discovery of a new class of Hsp90 inhibitors., Barril X, Brough P, Drysdale M, Hubbard RE, Massey A, Surgenor A, Wright L, Bioorg Med Chem Lett. 2005 Dec 1;15(23):5187-91. Epub 2005 Oct 3. PMID: 16202589

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