Electrochemical and Structural Study of the Buried Tryptophan in Azurin: Effects of Hydration and Polarity on the Redox Potential of W48.

Azurin / genetics Tryptophan / chemistry Oxidation-Reduction Hydrogen Water

Journal

The journal of physical chemistry. B
ISSN: 1520-5207
Titre abrégé: J Phys Chem B
Pays: United States
ID NLM: 101157530

Informations de publication

Date de publication:
12 01 2023
Historique:
pmc-release: 21 12 2023
pubmed: 22 12 2022
medline: 14 1 2023
entrez: 21 12 2022
Statut: ppublish

Résumé

Tryptophan serves as an important redox-active amino acid in mediating electron transfer and mitigating oxidative damage in proteins. We previously showed a difference in electrochemical potentials for two tryptophan residues in azurin with distinct hydrogen-bonding environments. Here, we test whether reducing the side chain bulk at position Phe110 to Leu, Ser, or Ala impacts the electrochemical potentials (

Identifiants

DOI: 10.1021/acs.jpcb.2c06677 PMID: 36542812 PMC: PMC9841983
pubmed: 36542812
doi: 10.1021/acs.jpcb.2c06677
pmc: PMC9841983
doi:

Substances chimiques

Azurin 12284-43-4
Tryptophan 8DUH1N11BX
Hydrogen 7YNJ3PO35Z
Water 059QF0KO0R

Types de publication

Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

Langues

eng

Sous-ensembles de citation

IM

Pagination

133-143

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Auteurs

Kristin Tyson (K)

Department of Chemistry, East Carolina University, Greenville, North Carolina 27858, United States.

Chanin B Tangtartharakul (CB)

Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, California 92093, United States.

Matthias Zeug (M)

Department of Chemistry, East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville North Carolina, 27858, United States.

Nathan Findling (N)

Department of Chemistry, East Carolina University, Greenville, North Carolina 27858, United States.

Alice Haddy (A)

Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, North Carolina 27402, United States.

Eli Hvastkovs (E)

Department of Chemistry, East Carolina University, Greenville, North Carolina 27858, United States.
ORCID: 0000-0002-7957-9718

Jun-Yong Choe (JY)

Department of Chemistry, East Carolina University, Greenville, North Carolina 27858, United States.
Department of Chemistry, East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville North Carolina, 27858, United States.

Judy E Kim (JE)

Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, California 92093, United States.
ORCID: 0000-0001-8695-4363

Adam R Offenbacher (AR)

Department of Chemistry, East Carolina University, Greenville, North Carolina 27858, United States.
ORCID: 0000-0001-6990-7178

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Classifications MeSH

Recherchemedicale.com › Acides aminés, peptides et protéines › Protéines › Métalloprotéines › Azurine › Electrochemical and Structural Study of the...
Recherchemedicale.com › Acides aminés, peptides et protéines › Acides aminés › Acides aminés essentiels › Tryptophane › Electrochemical and Structural Study of the...
Recherchemedicale.com › Métabolisme › Métabolisme énergétique › Oxydoréduction › Electrochemical and Structural Study of the...
Recherchemedicale.com › Produits chimiques inorganiques › Gaz › Hydrogène › Electrochemical and Structural Study of the...
Recherchemedicale.com › Produits chimiques inorganiques › Composés de l'oxygène › Oxydes › Eau › Electrochemical and Structural Study of the...