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Selective recognition of A/T-rich DNA 3-way junctions with a three-fold symmetric tripeptide.

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Non-canonical DNA structures, particularly 3-Way Junctions (3WJs) that are transiently formed during DNA replication, have recently emerged as promising chemotherapeutic targets. Here, we describe a new approach to target 3WJs… Click to show full abstract

Non-canonical DNA structures, particularly 3-Way Junctions (3WJs) that are transiently formed during DNA replication, have recently emerged as promising chemotherapeutic targets. Here, we describe a new approach to target 3WJs that relies on the cooperative and sequence-selective recognition of A/T-rich duplex DNA branches by three AT-Hook peptides attached to a three-fold symmetric and fluorogenic 1,3,5-tristyrylbenzene core.

Keywords: dna; selective recognition; three fold; fold symmetric; recognition rich; way junctions

Journal Title: Chemical communications
Year Published: 2022

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