ArticleJournal of the American Chemical Society2022
Mechanism of Methyldehydrofosmidomycin Maturation: Use Olefination to Enable Chain Elongation.
Article in Journal of the American Chemical Society, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Discovery of Noncanonical Iron and 2-Oxoglutarate Dependent Enzymes Involved in C-C and C-N Bond Formation in Biosynthetic Pathways.ACS bio & med chem Au · 2025Review
- Structural Basis for Methine Excision by a Heme Oxygenase-like Enzyme.ACS central science · 2024Article
- Five decades of metalloenzymology.The Enzymes · 2023Review
- Convergent and divergent biosynthetic strategies towards phosphonic acid natural products.Current opinion in chemical biology · 2022Review
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Authors and funding
4 authors.
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Abstract
Utilization of mononuclear iron- and 2-oxoglutarate-dependent (Fe/2OG) enzymes to enable C-H bond functionalization is a widely used strategy to diversify the structural complexity of natural products. Besides those well-studied reactions including hydroxylation, epoxidation, and halogenation, in the biosynthetic pathway of dehydrofosmidomycin, an Fe/2OG enzyme is reported to catalyze desaturation, alkyl chain elongation, along with demethylation in which trimethyl-2-aminoethylphosphonate is converted into methyldehydrofosmidomycin. How this transformation takes place is largely unknown. Herein, we characterized the reactive species, revealed the structure of the reaction intermediate, and used mechanistic probes to investigate the reaction pathway and mechanism. These results led to the elucidation of a two-step process in which the first reaction employs a long-lived Fe(IV)-oxo species to trigger C═C bond installation. During the second reaction, the olefin installed in situ enables C-C bond formation that is accompanied with a C-N bond cleavage and hydroxylation to furnish the alkyl chain elongation and demethylation. This work expands the reaction repertoire of Fe/2OG enzymes by introducing a new pathway to the known C-C bond formation mechanisms utilized by metalloenzymes.
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