NMR evidence for the participation of a low-barrier hydrogen bond in the mechanism of delta 5-3-ketosteroid isomerase (Q37396816)

20 August 2017

NMR evidence for the participation of a low-barrier hydrogen bond in the mechanism of delta 5-3-ketosteroid isomerase (English)

1 reference

20 August 2017

3

P Talalay

1 reference

20 August 2017

Q Zhao

1

1 reference

20 August 2017

C Abeygunawardana

series ordinal

2

1 reference

20 August 2017

A S Mildvan

series ordinal

4

1 reference

20 August 2017

language of work or name

English

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publication date

1 August 1996

1 reference

Proceedings of the National Academy of Sciences of the United States of America

20 August 2017

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20 August 2017

93

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20 August 2017

16

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20 August 2017

8220-8224

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Short strong hydrogen bonds: can they explain enzymic catalysis?

20 August 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

13C NMR relaxation studies of backbone and side chain motion of the catalytic tyrosine residue in free and steroid-bound delta 5-3-ketosteroid isomerase

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Mechanism of the reaction catalyzed by delta 5-3-ketosteroid isomerase of Comamonas (Pseudomonas) testosteroni: kinetic properties of a modified enzyme in which tyrosine 14 is replaced by 3-fluorotyrosine

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Low-barrier hydrogen bonds and enzymic catalysis

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Ultraviolet spectroscopic evidence for decreased motion of the active site tyrosine residue of delta 5-3-ketosteroid isomerase by steroid binding

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

A low-barrier hydrogen bond in the catalytic triad of serine proteases

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Low-barrier hydrogen bonds and low fractionation factor bases in enzymic reactions

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

NMR spectroscopy of hydroxyl protons in aqueous solutions of peptides and proteins.

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Zymogen activation in serine proteinases. Proton magnetic resonance pH titration studies of the two histidines of bovine chymotrypsinogen A and chymotrypsin A.alpha

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Stereochemistry of the concerted enolization catalyzed by delta 5-3-ketosteroid isomerase

6 September 2017

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Kinetic competence of an externally generated dienol intermediate with steroid isomerase

26 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

Nature of the intermediate in the 3-oxo-delta 5-steroid isomerase reaction

26 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

On low-barrier hydrogen bonds and enzyme catalysis.

26 June 2018

1 reference

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pmc&linkname=pmc_refs_pubmed&retmode=json&id=38650

The mechanism of the delta5-3-ketosteroid isomerase reaction: absorption and fluorescence spectra of enzyme-steroid complexes

2 September 2018

1 reference

12 December 2020

Kinetic and ultraviolet spectroscopic studies of active-site mutants of delta 5-3-ketosteroid isomerase

1 reference

12 December 2020

1 reference

12 December 2020

Studies of the catalytic mechanism of an active-site mutant (Y14F) of delta 5-3-ketosteroid isomerase by kinetic deuterium isotope effects

1 reference

12 December 2020

High resolution nuclear magnetic resonance studies of the active site of chymotrypsin. I. The hydrogen bonded protons of the "charge relay" system

1 reference

12 December 2020

Enzymatic and nonenzymatic polarizations of alpha,beta-unsaturated ketosteroids and phenolic steroids. Implications for the roles of hydrogen bonding in the catalytic mechanism of delta 5-3-ketosteroid isomerase

1 reference

12 December 2020

Evaluation of the internal equilibrium constant for 3-oxo-delta 5-steroid isomerase using the D38E and D38N mutants: the energetic basis for catalysis

1 reference

12 December 2020

Environments and mechanistic roles of the tyrosine residues of delta 5-3-ketosteroid isomerase

1 reference

12 December 2020

Hydrogen bonding in proteins as studied by amide hydrogen D/H fractionation factors: application to staphylococcal nuclease

1 reference

12 December 2020

Low-barrier hydrogen bonding in molecular complexes analogous to histidine and aspartate in the catalytic triad of serine proteases

1 reference

12 December 2020

NMR observation of exchangeable protons of pyridoxal phosphate and histidine residues in cytosolic aspartate aminotransferase

1 reference

12 December 2020

The energetics of hydrogen bonds in model systems: implications for enzymatic catalysis

1 reference

12 December 2020

Complex of alpha-chymotrypsin and N-acetyl-L-leucyl-L-phenylalanyl trifluoromethyl ketone: structural studies with NMR spectroscopy

1 reference

12 December 2020

Studies of the mechanism of the delta 5-3-ketosteroid isomerase reaction by substrate, solvent, and combined kinetic deuterium isotope effects on wild-type and mutant enzymes

1 reference

12 December 2020

1 reference

12 December 2020

Combined effects of two mutations of catalytic residues on the ketosteroid isomerase reaction

1 reference

12 December 2020

Ultraviolet resonance Raman spectroscopy of delta 5-3-ketosteroid isomerase revisited: substrate polarization by active-site residues

1 reference

12 December 2020

Identifiers

DOI

10.1073/PNAS.93.16.8220

1 reference

20 August 2017

0 references

1 reference

20 August 2017

1 reference