3K3O:
reference: Structural insights into a novel histone demethylase PHF8., Yu L, Wang Y, Huang S, Wang J, Deng Z, Zhang Q, Wu W, Zhang X, Liu Z, Gong W, Chen Z, Cell Res. 2010 Jan 26. PMID: 20101266

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