DNA binding exerted by a bacterial gene regulator with an extensive coiled-coil domain.

Abstract excerpt

Although quite common in the eukaryotic cell, bacterial proteins with an extensive coiled-coil domain are still relatively rare. One of the few thus far documented examples, TlpA from Salmonella typhimurium, is characterized by a remarkably long (250 amino acids) alpha-helical coiled-coil domain. Herein, we demonstrate that TlpA is a novel sequence-specific DNA-binding protein. Several tlpA deletion mutants have...

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