title: X-ray analysis of d(GCGAACGC); intra-duplex and inter-duplex hand-in-pocket motifs.
abstract: The structure of DNA octamer with the sequence d(GCGAACGC) has been determined by the X-ray crystallography to investigate the specific DNA structural motifs that are useful for designing various functional DNA molecules. Two kinds of interaction motifs for the bulged out adenosine residues have been found. One is an intra-duplex and the other is an inter-duplex hand-in-pocket motif. These interactions consist of the novel A:G pairs that have never been found so far in any crystal and solution studies on DNA molecules.
authors.affiliation: Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Midori-ku, Yokohama 226-8501, Japan.
authors.forename: J
authors.initials: J
authors.lastname: Kondo
authors.forename: T
authors.initials: T
authors.lastname: Sunami
authors.forename: I
authors.initials: I
authors.lastname: Hirao
authors.forename: K
authors.initials: K
authors.lastname: Miura
authors.forename: A
authors.initials: A
authors.lastname: Takénaka
mesh_terms: D001483:Base Sequence; D018360:Crystallography, X-Ray; D004247:DNA / Q000737:chemistry*; D019281:Dimerization; D006860:Hydrogen Bonding; D008958:Models, Molecular; D009690:Nucleic Acid Conformation; D009838:Oligodeoxyribonucleotides / Q000737:chemistry*
chemical_list: D009838:Oligodeoxyribonucleotides; C476361:d(GCGAACGC); D004247:DNA