2LD7:
reference: Structure of the 30-kDa Sin3-associated protein (SAP30) in complex with the mammalian Sin3A corepressor and its role in nucleic acid binding., Xie T, He Y, Korkeamaki H, Zhang Y, Imhoff R, Lohi O, Radhakrishnan I, J Biol Chem. 2011 Aug 5;286(31):27814-24. Epub 2011 Jun 15. PMID: 21676866

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