ArticleACS omega2025
An Emergent Biosynthetic Pathway to Essential Amino Acids by Metabolic Metathesis.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
An experimental approach to implanting foreign chemical reactions into living cells is to select for the catalytic production of a vital building block such as an amino acid. Alkene metathesis is unknown in extant biochemistry, but it is emerging as a new type of reaction to be catalyzed by protein enzymes. Here, we show how the alkenic amino acid vinylglycine can be generated in a biocompatible reaction from 5-allyloxy-2-amino-pent-3-enoate (APE) by ring-closing metathesis catalyzed by a standard Hoveyda-Grubbs catalyst. The vinylglycine produced in situ is then used as a precursor of isoleucine and methionine, thus allowing the growth of strains of Escherichia coli requiring these essential amino acids. The robust nutritional screen we have developed paves the way for the directed evolution of genetically encoded metathesis enzymes and the chemical elaboration of metathesis coenzymes.
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Registered trials
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