Abstract
We replaced amino acids on the ‘outside’, or solvent-exposed, surface of the DNA recognition α-helix of 434 repressor with the corresponding amino acids from the recognition helix of P22 repressor. The binding specificity of the resulting hybrid protein, as measured in vivo and in vitro, was that of P22 repressor.
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Wharton, R., Ptashne, M. Changing the binding specificity of a represser by redesigning an α-helix. Nature 316, 601–605 (1985). https://doi.org/10.1038/316601a0
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DOI: https://doi.org/10.1038/316601a0
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