Crystal structure of trp represser/operator complex at atomic resolution

Z Otwinowski, RW Schevitz, RG Zhang, CL Lawson… - Nature, 1988 - nature.com
The crystal structure of the trp repressor/operator complex shows an extensive contact
surface, including 24 direct and 6 solvent-mediated hydrogen bonds to the phosphate …

Tandem binding in crystals of a trp represser/operator half-site complex

CL Lawson, J Carey - Nature, 1993 - nature.com
The crystal structure of trp represser tandemly bound in a 2: 1 complex to a 16-base-pair
palindromic DNA containing a central trp operator half-site has been determined and refined …

Determinants of repressor/operator recognition from the structure of the trp operator binding site

Z Shakked, G Guzikevich-Guerstein, F Frolow… - Nature, 1994 - nature.com
ON the basis of the crystal structure of the trp represser/operator complex1, it has been
proposed that the specificity of the interaction can be explained not only by direct hydrogen …

The crystal structure of trp aporepressor at 1.8 Å shows how binding tryptophan enhances DNA affinity

RG Zhang, A Joachimiak, CL Lawson, RW Schevitz… - Nature, 1987 - nature.com
Abstract Comparison of the crystal structure of inactive unliganded trp aporepressor with that
of trp repressor shows that binding tryptophan activates the dimer a thousandfold by moving …

The three-dimensional structure of trp repressor

RW Schevitz, Z Otwinowski, A Joachimiak, CL Lawson… - Nature, 1985 - nature.com
The crystal structure of the Escherichia coli trp repressor has been solved to atomic
resolution. The dimeric protein has a remarkable subunit interface in which five of each …

Mutant Trp repressors with new DNA-binding specificities

S Bass, V Sorrells, P Youderian - Science, 1988 - science.org
Oligonucleotide-directed mutagenesis of the codons for glutamine-68 (Gln68), lysine-72
(Lys72), isoleucine-79 (Ile79), alanine-80 (Ala80), and threonine-81 (Thr81) of the …

Flexibility of the DNA‐binding domains of trp repressor

CL Lawson, R Zhang, RW Schevitz… - Proteins: Structure …, 1988 - Wiley Online Library
An orthorhombic crystal form of trp repressor (aporepressor plus L‐tryptophan ligand) was
solved by molecular replacement, refined to 1.65 Å resolution, and compared to the structure …

Mutagenesis supports water mediated recognition in the trp repressor‐operator system.

A Joachimiak, TE Haran, PB Sigler - The EMBO journal, 1994 - embopress.org
High resolution crystallographic analysis of the trp repressor‐operator complex indicates
that the principal determinants of specificity are water mediated hydrogen bonds between …

The solution structures of Escherichia coli trp repressor and trp aporepressor at an intermediate resolution

C Arrowsmith, R Pachter, R Altman… - European Journal of …, 1991 - Wiley Online Library
We have determined the solution structures and examined the dynamics of the Escherichia
coli trp repressor (a 25‐kDa dimer), with and without the co‐repressor l‐tryptophan, from …

The solution structures of the trp repressor-operator DNA complex

H Zhang, D Zhao, M Revington, W Lee, X Jia… - Journal of molecular …, 1994 - Elsevier
The solution structures of the complex between Escherichia coli trp holorepressor and a 20
base-pair consensus operator DNA were determined. The majority of proton chemical shifts …