1D75:
reference: Conformation of guanine-8-oxoadenine base pairs in the crystal structure of d(CGCGAATT(O8A)GCG)., Leonard GA, Guy A, Brown T, Teoule R, Hunter WN, Biochemistry 1992 Sep 15;31(36):8415-20. PMID: 1390625

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