Cited by 86Selenium in Biological SystemsRedox biology and oxidative stressOrganoselenium and organotellurium chemistry

Glycine reductase mechanism

Andreesen, Jan R·2004·Current Opinion in Chemical Biology

Abstract

The ability of some anaerobic bacteria to conserve energy via a soluble substrate level phosphorylation system by reducing glycine to acetyl-phosphate has been an intriguing mechanism for about half a century. The genes implicated in this system have been sequenced and form an operon structure with those of the thioredoxin system. The deduced proteins exhibit high degrees of similarity with glycine reductase from other bacteria. Faster progress in understanding the exact mechanisms is hampered, for example, by some unique reactions involving selenoethers and redox active selenocysteines, which do not allow an easy heterologous formation in Escherichia coli. Further major obstacles are the processing of a substrate-specific pro-protein to a new carbonyl/pyruvoyl group in one of the two peptides formed that stabilize the substrate-binding selenoprotein, which contains an additional rather unstable carbonyl group.

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Crossref · 10.1016/j.cbpa.2004.08.002

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Authors
Andreesen, J. R.
Affiliations
Martin Luther University Halle-Wittenberg (DE)
Corresponding author
Andreesen, Jan R
Venue
Current Opinion in Chemical Biology
Publisher
Elsevier BV
Published
2004-10
Volume
8
Issue
5
Pages
454-461
ISSN
1367-5931 (ISSN-L)
OpenAlex
W2016519332
Cited by
86
References
44
Citations by year
2026: 4 · 2025: 7 · 2024: 11 · 2023: 12 · 2022: 2 · 2021: 2 · 2020: 5 · 2019: 7 · 2018: 4 · 2016: 4 · 2015: 2 · 2014: 5 · 2012: 4
FWCI
0.28
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Chemical Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Grains Research and Development Corporation
  • Deutsche Forschungsgemeinschaft
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Selenium in Biological Systems
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Organoselenium and organotellurium chemistry
Keywords
glycine reductase, anaerobic bacteria, substrate-level phosphorylation, thioredoxin system, selenocysteine, selenoethers, selenoproteins, enzyme mechanism, gene operon
MeSH terms
Amino Acid Oxidoreductases, Binding Sites, Escherichia coli, Multienzyme Complexes, Operon, Oxidation-Reduction, Proteins, Receptors, Fc, Staphylococcal Protein A, Thioredoxin-Disulfide Reductase, Selenoproteins

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