作者
Hai-Jun Xu, Loic Stefan, Romain Haudecoeur, Sophie Vuong, Philippe Richard, Franck Denat, Jean-Michel Barbe, Claude P Gros, David Monchaud
发表日期
2012
期刊
Organic & Biomolecular Chemistry
卷号
10
期号
27
页码范围
5212-5218
出版商
Royal Society of Chemistry
简介
Template-assembled synthetic G-quartet (TASQ) has been reported recently as a G-quadruplex ligand interacting with DNA according to an unprecedented, nature-inspired ‘like likes like’ approach, based on the association between two G-quartets, one being native (quadruplex) and the other one artificial (ligand). Herein, a novel TASQ-based ligand is designed, synthesized and its quadruplex-recognition properties are evaluated in vitro: PorphySQ (for porphyrin-templated synthetic G-quartet) displays enhanced quadruplex recognition properties as compared to the very first reported prototype (DOTASQ, for DOTA-templated synthetic G-quartet), since the porphyrin template insures a more stable intramolecular G-quartet fold due to self-stabilizing interactions that may take place intramolecularly between the porphyrin ring and the formed G-quartet.
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