The use of double mutants to detect structural changes in the active site of the tyrosyl-tRNA synthetase (Bacillus stearothermophilus)

PJ Carter, G Winter, AJ Wilkinson, AR Fersht - Cell, 1984 - cell.com
In a previous study, a mutant of tyrosyl-tRNA synthetase in which a threonine residue
(Thr51) was converted to proline dramatically improved the aff inity of the enzyme for its ATP …

Site-directed mutagenesis as a probe of enzyme structure and catalysis: tyrosyl-tRNA synthetase cysteine-35 to glycine-35 mutation

AJ Wilkinson, AR Fersht, DM Blow, G Winter - Biochemistry, 1983 - ACS Publications
Anthony J. Wilkinson, Alan R. Fersht,* David M. Blow, and Greg Winter* abstract:
Oligodeoxynucleotide-directed mutagenesis has been used on the gene of tyrosyl-tRNA …

A large increase in enzyme–substrate affinity by protein engineering

AJ Wilkinson, AR Fersht, DM Blow, P Carter, G Winter - Nature, 1984 - nature.com
A single point mutation has been engineered in the tyrosyl-tRNA synthetase that improves
its affinity (KM) for its substrate ATP by a factor of 100. In the crystal structure of the tyrosyl …

Tyrosyl-tRNA synthetase forms a mononucleotide-binding fold

TN Bhat, DM Blow, P Brick, J Nyborg - Journal of Molecular Biology, 1982 - Elsevier
Tyrosyl-tRNA synthetase from Bacillus stearothermophilus is a dimeric molecule of
approximately 90,000 M r. The crystal structure originally reported by Irwin et al.(1976) has …

Crystal structure of a deletion mutant of a tyrosyl-tRNA synthetase complexed with tyrosine

P Brick, DM Blow - Journal of molecular biology, 1987 - Elsevier
The crystal structure of a deletion mutant of tyrosyl-tRNA synthetase from Bacillus
stearothermophilus has been determined at 2.5 Å resolution using molecular replacement …

Dissection of the structure and activity of the tyrosyl-tRNA synthetase by site-directed mutagenesis

AR Fersht - Biochemistry, 1987 - ACS Publications
Department of Chemistry, Imperial College of Science and Technology, London SW7 2 AY,
UK Received August 6, 1987; Revised Manuscript Received September 15, 1987 abstract …

Tyrosyl-tRNA synthetase from Escherichia coli. Stoichiometry of ligand binding and half-of-the-sites reactivity in aminoacylation

R Jakes, AR Fersht - Biochemistry, 1975 - ACS Publications
The tyrosyl-tRNA synthetase from Escherichia coli binds only 1 mol of tRNA, tyrosine, and
tyrosyl ade-nylate per mol of enzyme dimer. However, like the enzyme from Bacillus …

Use of binding energy in catalysis analyzed by mutagenesis of the tyrosyl-tRNA synthetase

TNC Wells, AR Fersht - Biochemistry, 1986 - ACS Publications
Department of Chemistry, Imperial College of Science and Technology, LondonSW7 2AY,
UK Received August 14, 1985 abstract: The utilization of enzyme-substrate binding energy …

Structure and dynamics of the anticodon arm binding domain of Bacillus stearothermophilus tyrosyl-tRNA synthetase

JI Guijarro, A Pintar, A Prochnicka-Chalufour, V Guez… - Structure, 2002 - cell.com
The structure of a recombinant protein, TyrRS (Δ4), corresponding to the anticodon arm
binding domain of Bacillus stearothermophilus tyrosyl-tRNA synthetase, has been solved …

Demonstration of two active sites on a monomeric aminoacyl-tRNA synthetase. Possible roles of negative cooperativity and half-of-the-sites reactivity in oligomeric …

AR Fersht - Biochemistry, 1975 - ACS Publications
With the technical assistance of Jeremy Ashford abstract: The dimeric tyrosyl-tRNA
synthetase from Bacillus stearothermophiluswhich binds (tightly) only one tyrosyl adenylate …