Abstract

The design and synthesis of a small peptide that mimics the integration host factor (IHF), a major nucleoid-associated protein, is reported. IHF induces DNA compaction by sequence-specific binding that leads to significant bending of the DNA double strand. In a modular approach a small L-lysine dendrimer responsible for nonspecific charge-charge interactions was linked to a cyclopeptide. The latter was designed for specific DNA recognition in the minor groove followed by bending of the double strand.

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