title: Study on the complexation between DNA and cationic porphyrin derivatives.
abstract: A water-soluble cationic porphyrin, 5,10,15,20-Tetra(N-methylpyridinium-4-yl)-21H,23H-porphyrin has been shown to intercalate selectively into the A3-G4 gap of C-quadruplexed DNA d(TTAGGG)4.
authors.affiliation: Department of Chemistry, University of Tsukuba, Tsukuba 305-8571, Japan.
authors.forename: Takako
authors.initials: T
authors.lastname: Ohyama
authors.forename: Hajime
authors.initials: H
authors.lastname: Mita
authors.forename: Yasuhiko
authors.initials: Y
authors.lastname: Yamamoto
mesh_terms: D001483:Base Sequence; D002942:Circular Dichroism; D004247:DNA / Q000737:chemistry* / Q000235:genetics; D009682:Magnetic Resonance Spectroscopy; D011166:Porphyrins / Q000032:analysis / Q000737:chemistry*
chemical_list: D011166:Porphyrins; C021096:tetra(4-N-methylpyridyl)porphine; D004247:DNA