Cited by 73Origins and Evolution of LifeRNA and protein synthesis mechanismsRNA regulation and disease

Coenzymes as coribozymes

Jadhav, Vasant R., Yarus, Michael·2002·Biochimie

Abstract

Coenzymes are small organic molecules that supply a varied set of reactive groups to protein enzymes, thereby diversifying catalysis beyond the chemistries of amino acid sidechains. As RNA structures begin with a more limited chemical diversity than proteins, it seems likely that RNA enzymes would also use functional groups from other molecules to support a complex RNA world metabolism. In fact, ribonucleotide moieties in many coenzymes have long been thought to be surviving vestiges of covalently bound coenzymes in an RNA world. The idea of coenzyme utilization by ribozymes can be explored by selection-amplification of coenzyme-binding RNAs and coenzyme-assisted ribozymes. Here, we review coenzyme-RNAs, and discuss their possible significance for RNA-mediated metabolism. In summary, a plausible route from prebiotic chemistry to ribozyme biochemistry exists for CoA, and via similar activities, likely exists for all the nucleotidyl coenzymes.

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Crossref · 10.1016/s0300-9084(02)01404-9

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  • Present-day low molecular weight cofactors may have been early non-protein catalysts.

    “This notion obtains further support from the experiment-based proposals that present-day low molecular weight cofactors may have been early non-protein catalysts [32,204,205,213,214].”

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Authors
Jadhav, V. R., & Yarus, M.
Affiliations
University of Colorado Boulder (US)
Corresponding author
Yarus, Michael
Venue
Biochimie
Publisher
Elsevier BV
Published
2002-09
Volume
84
Issue
9
Pages
877-888
ISSN
  • 0037-9042 (ISSN-L)
  • 0300-9084
OpenAlex
W1995639982
Cited by
73
References
70
Citations by year
2026: 1 · 2025: 3 · 2024: 4 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 6 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 2 · 2013: 2 · 2012: 3
FWCI
2.54
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimie (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (GM-30881)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
Keywords
coenzymes, ribozymes, RNA world, coenzyme A, prebiotic chemistry
MeSH terms
Origin of Life, Base Sequence, Catalysis, Coenzymes, Molecular Sequence Data, Nucleic Acid Conformation, RNA, Catalytic, Evolution, Molecular

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