Mutants of Escherichia coli Trp repressor with changes of conserved, helix-turn-helix residue threonine 81 have altered DNA-binding specificities.
Mol Microbiol. 1994 Sep;13(6):1001-12. doi: 10.1111/j.1365-2958.1994.tb00491.x.
Mol Microbiol. 1994.
PMID: 7854115