(Q53409276)

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Effect of pH and Monovalent Cations on the Formation of Quinonoid Intermediates of the Tryptophan Synthase α2β2Complex in Solution and in the Crystal

scientific article published in Journal of Biological Chemistry

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scholarly article

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4 November 2019

Effect of pH and monovalent cations on the formation of quinonoid intermediates of the tryptophan synthase alpha(2)beta(2) complex in solution and in the crystal (English)

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4 November 2019

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molecular biology

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Andrea Mozzarelli

1

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4 November 2019

Alessio Peracchi

2

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4 November 2019

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B Rovegno

3

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4 November 2019

G Dalè

4

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4 November 2019

G L Rossi

5

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4 November 2019

M F Dunn

6

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4 November 2019

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1 March 2000

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4 November 2019

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7

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Journal of Biological Chemistry

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4 November 2019

275

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4 November 2019

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4 November 2019

6956-6962

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4 November 2019

Protein architecture, dynamics and allostery in tryptophan synthase channeling

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

The tryptophan synthase bienzyme complex transfers indole between the alpha- and beta-sites via a 25-30 A long tunnel

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Detection and identification of intermediates in the reaction of L-serine with Escherichia coli tryptophan synthase via rapid-scanning ultraviolet-visible spectroscopy.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Characterization of the reaction of L-serine and indole with Escherichia coli tryptophan synthase via rapid-scanning ultraviolet-visible spectroscopy.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Conformational changes and subunit communication in tryptophan synthase: effect of substrates and substrate analogs

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Time-resolved fluorescence of tryptophan synthase.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Allosteric effects acting over a distance of 20-25 A in the Escherichia coli tryptophan synthase bienzyme complex increase ligand affinity and cause redistribution of covalent intermediates

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Allosteric interactions coordinate catalytic activity between successive metabolic enzymes in the tryptophan synthase bienzyme complex

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Allosteric linkages between beta-site covalent transformations and alpha-site activation and deactivation in the tryptophan synthase bienzyme complex

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Monovalent metal ions play an essential role in catalysis and intersubunit communication in the tryptophan synthase bienzyme complex

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Mechanisms of monovalent cation action in enzyme catalysis: the first stage of the tryptophan synthase beta-reaction

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Mechanisms of monovalent cation action in enzyme catalysis: the tryptophan synthase alpha-, beta-, and alpha beta-reactions

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

The Tryptophan Synthase from Escherichia coli. An Improved Purification Procedure for the alpha-Subunit and Binding Studies with Substrate Analogues

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Reciprocal communication between the lyase and synthase active sites of the tryptophan synthase bienzyme complex.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

beta-Site covalent reactions trigger transitions between open and closed conformations of the tryptophan synthase bienzyme complex

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Crystal structures of a mutant (betaK87T) tryptophan synthase alpha2beta2 complex with ligands bound to the active sites of the alpha- and beta-subunits reveal ligand-induced conformational changes

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Cryocrystallography and microspectrophotometry of a mutant (alpha D60N) tryptophan synthase alpha 2 beta 2 complex reveals allosteric roles of alpha Asp60

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Cryo-crystallography of a true substrate, indole-3-glycerol phosphate, bound to a mutant (alphaD60N) tryptophan synthase alpha2beta2 complex reveals the correct orientation of active site alphaGlu49

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Loop closure and intersubunit communication in tryptophan synthase

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Interactions between the Subunits of the Tryptophan Synthetase of Escherichia coli. Optical Properties of an Intermediate Bound to the α2β2 Complex*

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Stereoelectronic control of bond formation in Escherichia coli tryptophan synthase: substrate specificity and enzymatic synthesis of the novel amino acid dihydroisotryptophan

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Monovalent cations affect dynamic and functional properties of the tryptophan synthase alpha 2 beta 2 complex.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Allosteric regulation of tryptophan synthase: effects of pH, temperature, and alpha-subunit ligands on the equilibrium distribution of pyridoxal 5'-phosphate-L-serine intermediates.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

PCR mutagenesis and overexpression of tryptophan synthase from Salmonella typhimurium: on the roles of beta2 subunit Lys-382.

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Exchange of K+ or Cs+ for Na+ induces local and long-range changes in the three-dimensional structure of the tryptophan synthase alpha2beta2 complex

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Detection and identification of transient intermediates in the reactions of tryptophan synthase with oxindolyl-L-alanine and 2,3-dihydro-L-tryptophan. Evidence for a tetrahedral (gem-diamine) intermediate

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

A new thiol-dependent transamination reaction catalyzed by the B protein of Escherichia coli tryptophan synthetase

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

The molecular basis of substrate channeling

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Evidence of a low-barrier hydrogen bond in the tryptophan synthase catalytic mechanism

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Protein function in the crystal

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Spectroscopic studies of quinonoid species from pyridoxal 5'-phosphate

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Mechanism of activation of the tryptophan synthase alpha2beta2 complex. Solvent effects of the co-substrate beta-mercaptoethanol

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Interactions of tryptophan synthase, tryptophanase, and pyridoxal phosphate with oxindolyl-L-alanine and 2,3-dihydro-L-tryptophan: support for an indolenine intermediate in tryptophan metabolism

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Plasticity of the Tryptophan Synthase Active Site Probed by31P NMR Spectroscopy

1 reference

https://api.crossref.org/works/10.1074%2FJBC.275.10.6956

21 January 2018

Identifiers

10.1074/JBC.275.10.6956

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Europe PubMed Central

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:10702257%20AND%20SRC:MED&resulttype=core&format=json

4 November 2019

1 reference

Europe PubMed Central

https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:10702257%20AND%20SRC:MED&resulttype=core&format=json

4 November 2019

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