3N5U:
reference: An overlapping kinase and phosphatase docking site regulates activity of the retinoblastoma protein., Hirschi A, Cecchini M, Steinhardt RC, Schamber MR, Dick FA, Rubin SM, Nat Struct Mol Biol. 2010 Sep;17(9):1051-7. Epub 2010 Aug 8. PMID: 20694007

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