NMR evidence for major grove binding of both Lambda- and Delta-[Ru(bpy)(2)(pqx)](PF6)(2) to the oligonucleotide d(CGCGAATTCGCG)(2)

dc.contributor.authorGaroufis, A.en
dc.contributor.authorMalandrinos, G.en
dc.contributor.authorHadjiliadis, N.en
dc.date.accessioned2015-11-24T16:42:46Z
dc.date.available2015-11-24T16:42:46Z
dc.identifier.issn1434-1948-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/8593
dc.rightsDefault Licence-
dc.subjectmajor grooveen
dc.subjectn ligandsen
dc.subjectnmr spectroscopyen
dc.subjectoligonucleotidesen
dc.subjectrutheniumen
dc.subjectDNA-bindingen
dc.subjectmetal-complexesen
dc.subjectruthenium(ii) complexesen
dc.subjectstereospecific bindingen
dc.subjectspectroscopyen
dc.subjectdichroismen
dc.subject2,2'-bipyridineen
dc.subjectintercalationen
dc.subjecth-1-nmren
dc.subjectmodesen
dc.titleNMR evidence for major grove binding of both Lambda- and Delta-[Ru(bpy)(2)(pqx)](PF6)(2) to the oligonucleotide d(CGCGAATTCGCG)(2)en
heal.abstractThe enantiomeric complexes Lambda- and Delta-[Ru(bpy(2)(pqx)](PF6)(2) [pqx = 2-(2'-pyridyl)quinoxaline] were synthesized and characterized by various spectroscopic techniques. Their binding properties to the oligonucleotide duplex d(CGCGAATTCGCG)(2) were subsequently studied by NMR spectroscopy. 1D and 2D NMR techniques provided evidence for major-groove binding of both enantiomers with the oligonucleotide. The Delta-[Ru(bpy)(2)(pqx)](PF6)(2) enantiomer binds more deeply enantiomer to the oligonucleotide than the Lambdaone. The quinoxalinic moiety of the pqx ligand faces the major groove in the Delta complex and is oriented at the external side of the adduct in the Lambda complex. Both complexes show some affinity for the T8C9 base sequence of the dodecanucleotide helix. (C) Wiley-VCH Verlag GmbH Co.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1002/ejic.200400270-
heal.identifier.secondary<Go to ISI>://000223652600017-
heal.journalNameEuropean Journal of Inorganic Chemistryen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2004-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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