Cited by 1,711Chemical Reaction MechanismsOrganophosphorus compounds synthesisOrigins and Evolution of Life

Why Nature Chose Phosphates

Westheimer, F. H.·1987·Science

Abstract

Phosphate esters and anhydrides dominate the living world but are seldom used as intermediates by organic chemists. Phosphoric acid is specially adapted for its role in nucleic acids because it can link two nucleotides and still ionize; the resulting negative charge serves both to stabilize the diesters against hydrolysis and to retain the molecules within a lipid membrane. A similar explanation for stability and retention also holds for phosphates that are intermediary metabolites and for phosphates that serve as energy sources. Phosphates with multiple negative charges can react by way of the monomeric metaphosphate ion PO 3 - as an intermediate. No other residue appears to fulfill the multiple roles of phosphate in biochemistry. Stable, negatively charged phosphates react under catalysis by enzymes; organic chemists, who can only rarely use enzymatic catalysis for their reactions, need more highly reactive intermediates than phosphates.

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Crossref · 10.1126/science.2434996

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  • Magnesium is an important metal in RNA metallobiochemistry and an important player in the origins of life.

    “Magnesium which is frequently closely associated with phosphates and phosphate esters is an important metal in RNA metallobiochemistry (Gonzalez and Tinoco 2001) and an important player in the origins of life (Petrov et al. 2011;Westheimer 1987).”

    From The Emergence of Life (2019) · cites this paper as Westheimer 1987

Cites

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Research works printed but not linked: 14

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Authors
Westheimer, F. H.
Affiliations
Harvard University (US)
Corresponding author
Westheimer, F. H.
Venue
Science
Published
1987-03-06
Volume
235
Issue
4793
Pages
1173-1178
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2064761203
Cited by
1,711
References
60
Citations by year
2026: 68 · 2025: 75 · 2024: 96 · 2023: 89 · 2022: 90 · 2021: 80 · 2020: 77 · 2019: 71 · 2018: 68 · 2017: 71 · 2016: 54 · 2015: 84 · 2014: 69 · 2013: 62 · 2012: 65
FWCI
14.06
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Chemical Reaction Mechanisms
  • Physical Sciences › Chemistry › Organic Chemistry › Organophosphorus compounds synthesis
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
Keywords
phosphate, phosphoric acid, nucleic acids, energy storage, enzyme catalysis
MeSH terms
Amides, Animals, Arsenates, Chemistry, Citrates, Electrochemistry, Humans, Hydrolysis, Ions, Nucleic Acids, Phosphates, RNA, Silicic Acid, Citric Acid, Chemical Phenomena

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