1C3S:
reference: Structures of a histone deacetylase homologue bound to the TSA and SAHA inhibitors., Finnin MS, Donigian JR, Cohen A, Richon VM, Rifkind RA, Marks PA, Breslow R, Pavletich NP, Nature 1999 Sep 9;401(6749):188-93. PMID: 10490031

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