2Y5A:
reference: Probing the Dynamic Nature of Water Molecules and Their Influences on Ligand Binding in a Model Binding Site., Cappel D, Wahlstrom R, Brenk R, Sotriffer CA, J Chem Inf Model. 2011 Sep 15. PMID: 21916516

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