title: Two contiguous conformations in a nucleic acid duplex.
mesh_terms: D001483:Base Sequence; D004247:DNA; D009682:Magnetic Resonance Spectroscopy; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D009693:Nucleic Acid Hybridization; D012313:RNA
chemical_list: D012313:RNA; D004247:DNA