2RM0:
reference: Structural Characterization of a New Binding Motif and a Novel Binding Mode in Group 2 WW Domains., Ramirez-Espain X, Ruiz L, Martin-Malpartida P, Oschkinat H, Macias MJ, J Mol Biol. 2007 Nov 9;373(5):1255-68. Epub 2007 Aug 29. PMID: 17915251

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