ArticleJournal of the American Chemical Society2022
Enzymatic Pyridine Aromatization during Thiopeptide Biosynthesis.
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 7 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Article
- Modular Synthesis of Pyritide-Inspired Macrocycles Featuring Bipyridine Motifs.Angewandte Chemie (International ed. in English) · 2025Article
- Peptidic Tryptophan Halogenation by a Promiscuous Flavin-Dependent Enzyme.Angewandte Chemie (International ed. in English) · 2025Article
- Characterizing and engineering post-translational modifications with high-throughput cell-free expression.Nature communications · 2025Article
- A Compact Reprogrammed Genetic Code for De Novo Discovery of Proteolytically Stable Thiopeptides.Journal of the American Chemical Society · 2024Article
- Dehydroamino acid residues in bioactive natural products.Natural product reports · 2024Review
- Development and Challenges of Cyclic Peptides for Immunomodulation.Current protein & peptide science · 2024Review
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
Thiazole-containing pyritides (thiopeptides) are ribosomally synthesized and post-translationally modified peptides (RiPPs) that have attracted interest owing to their potent biological activities and structural complexity. The class-defining feature of a thiopeptide is a six-membered, nitrogenous heterocycle formed by an enzymatic [4 + 2]-cycloaddition. In rare cases, piperidine or dehydropiperidine (DHP) is present; however, the aromatized pyridine is considerably more common. Despite significant effort, the mechanism by which the central pyridine is formed remains poorly understood. Building on our recent observation of the Bycroft-Gowland intermediate (i.e., the direct product of the [4 + 2]-cycloaddition), we interrogated thiopeptide pyridine synthases using a combination of targeted mutagenesis, kinetic assays, substrate analogs, enzyme-substrate cross-linking, and chemical rescue experiments. Collectively, our data delineate roles for several conserved residues in thiopeptide pyridine synthases. A critical tyrosine facilitates the final aromatization step of pyridine formation. This work provides a foundation for further exploration of the [4 + 2]-cycloaddition reaction and future customization of pyridine-containing macrocyclic peptides.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.