title: Function of AGCA tetrads in (CAG)n repeats.
abstract: We investigate the structural properties of d(CAG)n repeats in d[CG(CAG)4CG)]*d[CG(CTG)4CG]. The crystals diffract up to 3.5 A and completeness of data is only 60%. We also measure Tm-UV and CD spectra and gel electrophoresis of this oligomer.
authors.affiliation: Osaka University of Pharmaceutical Sciences, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan.
authors.forename: Kazimierz
authors.initials: K
authors.lastname: Grzeskowiak
authors.forename: Michael R
authors.initials: MR
authors.lastname: Sawaya
authors.forename: Hirofumi
authors.initials: H
authors.lastname: Ohishi
authors.forename: Koji
authors.initials: K
authors.lastname: Tomoo
authors.forename: Toshimasa
authors.initials: T
authors.lastname: Ishida
mesh_terms: D001483:Base Sequence; D002942:Circular Dichroism; D018360:Crystallography, X-Ray; D004247:DNA / Q000737:chemistry* / Q000235:genetics; D004587:Electrophoresis, Agar Gel; D008969:Molecular Sequence Data; D013056:Spectrophotometry, Ultraviolet; D044366:Transition Temperature; D018911:Trinucleotide Repeats
chemical_list: D004247:DNA