1RME:
reference: Structure and conversion kinetics of a bi-stable DNA i-motif: broken symmetry in the [d(5mCCTCC)]4 tetramer., Nonin S, Leroy JL, J Mol Biol 1996 Aug 23;261(3):399-414. PMID: 8780782

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