Oxytricha telomere unimolecular
DNA quadruplex (Oxy 3.5)

F.W. Smith, P. Schultze, and J. Feigon: "Solution structures of unimolecular quadruplexes formed by oligonucleotides containing Oxytricha telomere repeats", Structure 3, 997-1008 (1995). [abstract]

PDB Code: 230D

Stereoview into one of the medium-width grooves of the seven lowest energy structures of Oxy3.5-U4128.