2XB1:
reference: Allosteric Remodelling of the Histone H3 Binding Pocket in the Pygo2 PHD Finger Triggered by Its Binding to the B9L/BCL9 Co-Factor., Miller TC, Rutherford TJ, Johnson CM, Fiedler M, Bienz M, J Mol Biol. 2010 Jul 14. PMID: 20637214

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