2OEY:
reference: Solution Structure of a Designed Spirocyclic Helical Ligand Binding at a Two-Base Bulge Site in DNA., Zhang N, Lin Y, Xiao Z, Jones GB, Goldberg IH, Biochemistry. 2007 Mar 28;. PMID: 17388570

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