Article
Specificity of Mnt 'master residue' obtained from in vivo and in vitro selections.
Nucleic acids research - 15 Dec 2002
Silbaq Fauzi S, Ruttenberg Steven E, Stormo Gary D
Abstract excerpt
Mnt is a repressor from phage P22 that belongs to the ribbon-helix-helix family of DNA binding factors. Four amino acids from the N-terminus of the protein, Arg2, His6, Asn8 and Arg10, interact with the base pairs of the DNA to provide the sequence specificity. Raumann et al. (Nature Struct. Biol., 2, 1115-1122) identified position 6 as a 'master residue' that controls the specificity of the protein. Models for...
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