LacZ β-galactosidase: structure and function of an enzyme of historical and molecular biological importance (Q34301945)

1 August 2017

LacZ β-galactosidase: structure and function of an enzyme of historical and molecular biological importance (English)

1 reference

1 August 2017

2

Brian W Matthews

1 reference

1 August 2017

Douglas H Juers

1

1 reference

PubMed ID

23011886

1 August 2017

Reuben E Huber

series ordinal

3

1 reference

PubMed ID

23011886

1 August 2017

language of work or name

1 reference

13 November 2012

1 reference

1 August 2017

1 reference

1 August 2017

21

1 reference

1 August 2017

12

1 reference

1 August 2017

1792-1807

1 reference

QM/MM Studies on the β-Galactosidase Catalytic Mechanism: Hydrolysis and Transglycosylation Reactions.

1 August 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Substitution for Asn460 cripples β-galactosidase (Escherichia coli) by increasing substrate affinity and decreasing transition state stability

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Ser-796 of β-galactosidase (Escherichia coli) plays a key role in maintaining a balance between the opened and closed conformations of the catalytically important active site loop

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Substrate Binding in Protein-tyrosine Phosphatase-like Inositol Polyphosphatases

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Importance of Arg-599 of β-galactosidase (Escherichia coli) as an anchor for the open conformations of Phe-601 and the active-site loop

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Role of Met-542 as a guide for the conformational changes of Phe-601 that occur during the reaction of β-galactosidase (Escherichia coli)

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Studies of Glu-416 variants of beta-galactosidase (E. coli) show that the active site Mg(2+) is not important for structure and indicate that the main role of Mg (2+) is to mediate optimization of active site chemistry

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Direct and indirect roles of His-418 in metal binding and in the activity of β-galactosidase (E. coli)

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Practical considerations when using temperature to obtain rate constants and activation thermodynamics of enzymes with two catalytic steps: native and N460T-beta-galactosidase (E. coli) as examples

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The beta-d-galactosidase of Escherichia coli, strain K-12.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Structural Basis for the Altered Activity of Gly794 Variants of Escherichia coli β-Galactosidase†

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Genetic regulatory mechanisms in the synthesis of proteins

6 July 2018

2 references

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

6 July 2018

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Enzymatic transition state poise and transition state analogues

28 October 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Trp-999 of beta-galactosidase (Escherichia coli) is a key residue for binding, catalysis, and synthesis of allolactose, the natural lac operon inducer

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

A structural view of the action of Escherichia coli (lacZ) beta-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

High resolution refinement of β-galactosidase in a new crystal form reveals multiple metal-binding sites and provides a structural basis for α-complementation

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Structural comparisons of TIM barrel proteins suggest functional and evolutionary relationships between beta-galactosidase and other glycohydrolases

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Making a fitting choice: common aspects of sugar-binding sites in plant and animal lectins

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The beta-galactosidase (Escherichia coli) reaction is partly facilitated by interactions of His-540 with the C6 hydroxyl of galactose

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Structure of rabbit muscle pyruvate kinase complexed with Mn2+, K+, and pyruvate

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Three-dimensional structure of beta-galactosidase from E. coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Substitutions for Glu-537 of beta-galactosidase from Escherichia coli cause large decreases in catalytic activity

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

How potassium affects the activity of the molecular chaperone Hsc70. II. Potassium binds specifically in the ATPase active site

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Crystallographic evidence for the action of potassium, thallium, and lithium ions on fructose-1,6-bisphosphatase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Oxygen-18 leaving group kinetic isotope effects on the hydrolysis of nitrophenyl glycosides. 1. beta-galactosidease-catalyzed hydrolysis

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Sequence of the lacZ gene of Escherichia coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Characterization by in vitro complementation of a peptide corresponding to an operator-proximal segment of the β-galactosidase structural gene of Escherichia coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Effects of various concentrations of Na+ and Mg2+ on the activity of β-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Mutations conferring quantitative and qualitative increases in beta-galactosidase activity in Escherichia coli.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Classification and intragenic position of mutations in the β-galactosidase gene of Escherichia coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Genetic evidence for the disposition of the substrate binding site of beta-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Determination of molecular weight from protein crystals

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The role of magnesium ions in beta-galactosidase hydrolyses. Studies on charge and shape of the beta-galactopyranosyl binding site

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Slow binding of D-galactal, a "reversible" inhibitor of bacterial beta-galactosidase.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The mechanism of action of beta-galactosidase. Effect of aglycone nature and -deuterium substitution on the hydrolysis of aryl galactosides

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Reactions of enol sugar derivatives. 8. Action of -D-glucosidase and -D-galactosidase on D-glucal and D-galactal

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

lac Repressor-operator interaction. VI. The natural inducer of the lac operon.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The beta-galactosidase-catalysed hydrolyses of beta-d-galactopyranosyl pyridium salts. Rate-limiting generation of an enzyme-bound galactopyranosyl cation in a process dependent only on aglycone acidity

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Strong inhibitory effect of furanoses and sugar lactones on beta-galactosidase Escherichia coli.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Reversion reactions of beta-galactosidase (Escherichia coli).

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Three-dimensional structure of the ATPase fragment of a 70K heat-shock cognate protein

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

A solvent-isotope-effect study of proton transfer during catalysis by Escherichia coli (lacZ) beta-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Determination of the roles of Glu-461 in beta-galactosidase (Escherichia coli) using site-specific mutagenesis

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

A highly reactive beta-galactosidase (Escherichia coli) resulting from a substitution of an aspartic acid for Gly-794.

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Binding energy and catalysis. Fluorinated and deoxygenated glycosides as mechanistic probes of Escherichia coli (lacZ) beta-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Glu-537, not Glu-461, is the nucleophile in the active site of (lac Z) beta-galactosidase from Escherichia coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Complementation in beta-galactosidase: from protein structure to genetic engineering

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Conformational adaptability of the active site of beta-galactosidase. Interaction of the enzyme with some substrate analogous effectors

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The Action of β-Galactosidase (Escherichia coli) on Allolactose

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The β-galactosidase-catalyzed hydrolysis of o-nitrophenol-β-D-galactoside at subzero temperatures: Evidence for a galactosyl-enzyme intermediate

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The lac-operon for lactose degradation, or rather for the utilization of galactosylglycerols from galactolipids?

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Interaction of divalent cations with .beta.-galactosidase (Escherichia coli)

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Participation of HO-2 in the cleavage of β-d-galactosides by the β-d-galactosidase from E. coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Interaction of the lacZ β-galactosidase of Escherichia coli with some β-d-galactopyranoside competitive inhibitors

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

The necessity of magnesium cation for acid assistance aglycone departure in catalysis by Escherichia coli (lacZ) β-galactosidase

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Ions, ion-pairs and catalysis by thelacZβ-galactosidase ofEscherichia coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Amino acid sequence of beta-galactosidase. XI. Peptide ordering procedures and the complete sequence

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Binding of alkyl 1-Thio-β-d-galactopyranosides to β-d-galactosidase from E. coli

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

A quantitation of the factors which affect the hydrolase and transgalactosylase activities of β-galactosidase (E. coli) on lactose

6 July 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

Monomer-dimer equilibrium of uncomplemented M15 beta-galactosidase from Escherichia coli.

6 July 2018

1 reference

Crystallization of beta-galactosidase does not reduce the range of activity of individual molecules

21 January 2018

1 reference

A study of the relationships of interactions between Asp-201, Na+ or K+, and galactosyl C6 hydroxyl and their effects on binding and reactivity of beta-galactosidase.

21 January 2018

1 reference

How potassium affects the activity of the molecular chaperone Hsc70. I. Potassium is required for optimal ATPase activity

21 January 2018

1 reference

Beta-galactosidase (Escherichia coli) has a second catalytically important Mg2+ site.

21 January 2018

1 reference

beta-Galactosidases of Escherichia coli with substitutions for Glu-461 can be activated by nucleophiles and can form beta-D-galactosyl adducts.

21 January 2018

1 reference

Kinetics and thermodynamics of ligand binding by cytochrome P450 3A4.

21 January 2018

1 reference

Substrate binding is the rate-limiting step in thromboxane synthase catalysis

21 January 2018

1 reference

Beta-galactosidases (Escherichia coli) with double substitutions show that Tyr-503 acts independently of Glu-461 but cooperatively with Glu-537.

21 January 2018

1 reference

His-391 of beta-galactosidase (Escherichia coli) promotes catalyses by strong interactions with the transition state

21 January 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=3575911

[Purification and properties of the beta-galactosidase (lactase) of Escherichia coli]

28 October 2018

1 reference

12 December 2020

Tyr-503 of beta-galactosidase (Escherichia coli) plays an important role in degalactosylation

1 reference

12 December 2020

Synergistic activation of beta-galactosidase by Na and Cs

1 reference

12 December 2020

Thallium (I) activation of pyruvate kinase

1 reference

12 December 2020

Importance of hydroxyls at positions 3, 4, and 6 for binding to the "galactose" site of beta-galactosidase (Escherichia coli)

1 reference

12 December 2020

The influence of monovalent cations and hydrostatic pressure on β-galactosidase activity

1 reference

12 December 2020

Binding and reactivity at the "glucose" site of galactosyl-beta-galactosidase (Escherichia coli)

1 reference

12 December 2020

His-357 of beta-galactosidase (Escherichia coli) interacts with the C3 hydroxyl in the transition state and helps to mediate catalysis

1 reference

12 December 2020

Studies on the beta-galactosidase isolated from Escherichia coli ML 308. 1. The effect of some ions on enzymic activity

1 reference

12 December 2020

Substitutions for Gly-794 show that binding interactions are important determinants of the catalytic action of beta-galactosidase (Escherichia coli)

1 reference

12 December 2020

Kinetic Study of the Activation Process of beta-Galactosidase from Escherichia coli by Mg2+

1 reference

12 December 2020

Design of a diffractometer and flow cell system for X-ray analysis of crystalline proteins with applications to the crystal chemistry of ribonuclease-S

1 reference

12 December 2020

The activation of -galactosidase by divalent and monovalent cations. Transient- and steady-state studies

1 reference

12 December 2020

beta-Galactosidase alpha-complementation. Effect of single amino acid substitutions

1 reference

12 December 2020

ROLE OF LACTOSE AND ITS METABOLIC PRODUCTS IN THE INDUCTION OF THE LACTOSE OPERON IN ESCHERICHIA COLI

1 reference

12 December 2020

Inhibition of beta-D-galactosidases by D-galactal

1 reference

12 December 2020

beta-Galactosidase alpha-complementation. Overlapping sequences

1 reference

12 December 2020

Identification of an essential carboxylate group at the active site of lacZ beta-galactosidase from Escherichia coli

1 reference

12 December 2020

Studies of the M15 beta-galactosidase complementation process

1 reference

12 December 2020

Nucleophilic Competition in Some beta-Galactosidase-Catalyzed Reactions

1 reference

12 December 2020

Identifiers

DOI

10.1002/PRO.2165

1 reference

1 August 2017

1 reference

1 August 2017

1 reference

PubMed ID

23011886