(Q27655629)

1

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Beatrice Rob

2

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Megan L Dugdale

3

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Nastaron Rahimzadeh

4

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Clarence Giang

5

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Michelle Lee

6

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Reuben E Huber

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

8

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publication date

June 2009

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published in

Protein Science

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volume

18

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issue

6

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page(s)

1281-92

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cites work

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Developments in the CCP4 molecular-graphics project

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Automated refinement of protein models

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

UCSF Chimera--a visualization system for exploratory research and analysis

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

XtalView/Xfit--A versatile program for manipulating atomic coordinates and electron density

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Crystallography & NMR System: A New Software Suite for Macromolecular Structure Determination

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Rapid and efficient site-specific mutagenesis without phenotypic selection

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

20 March 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

The active site and mechanism of the beta-galactosidase from Escherichia coli

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Site directed substitutions suggest that His-418 of beta-galactosidase (E. coli) is a ligand to Mg2+.

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Structural Aspects of Metal Liganding to Functional Groups in Proteins

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Ground-state, transition-state, and metal-cation effects of the 2-hydroxyl group on beta-D-galactopyranosyl transfer catalyzed by beta-galactosidase (Escherichia coli, lac Z).

29 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

The enhancement of enzymatic rate accelerations by Brønsted acid-base catalysis

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Site specific mutants of beta-galactosidase show that Tyr-503 is unimportant in Mg2+ binding but that Glu-461 is very important and may be a ligand to Mg2+.

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

2 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

19 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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.

27 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

27 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

Structure-reactivity relationships for beta-galactosidase (Escherichia coli, lac Z). 3. Evidence that Glu-461 participates in Brønsted acid-base catalysis of beta-D-galactopyranosyl group transfer.

27 November 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=2774438

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

27 November 2018

1 reference

12 December 2020

pH Dependence of the Activity of beta-Galactosidase from Escherichia coli

1 reference

12 December 2020

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

1 reference

12 December 2020

The non-simultaneous dissociation and loss of activity of β-galactosidase in urea

1 reference

12 December 2020

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

1 reference

12 December 2020

TNT refinement package

1 reference

12 December 2020

Glu-416 of beta-galactosidase (Escherichia coli) is a Mg2+ ligand and beta-galactosidases with substitutions for Glu-416 are inactivated, rather than activated, by MG2+

1 reference

12 December 2020

Nucleophilic Competition in Some beta-Galactosidase-Catalyzed Reactions

1 reference

12 December 2020