2OTX:
reference: The Skap-hom dimerization and PH domains comprise a 3'-phosphoinositide-gated molecular switch., Swanson KD, Tang Y, Ceccarelli DF, Poy F, Sliwa JP, Neel BG, Eck MJ, Mol Cell. 2008 Nov 21;32(4):564-75. PMID: 19026786

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