ArticleCommunications biology2020
An essential role of acetyl coenzyme A in the catalytic cycle of insect arylalkylamine N-acetyltransferase.
Article in Communications biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 16 citations in OpenAlex.
- Engineering of Corynebacterium glutamicum for biosynthesis of the pharmaceutically active N-acetyltyramine: establishing and optimizing de novo production.Journal of biological engineering · 2026Article
- A Testis-Specific Aralkylamine N-Acetyltransferase Regulates Dimorphic Sperm Function and Male Fertility in Moths.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- The role of dopamine in the life history of bivalves: a review.Frontiers in zoology · 2026Review
- Backbone resonance assignments of dopamine N-acetyltransferase in free and cofactor-bound states.Biomolecular NMR assignments · 2025Article
- Mapping Gene Expression in Whole Larval Brains ofMethods and protocols · 2025Article
Corrections and comments
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Acetyl coenzyme A (Ac-CoA)-dependent N-acetylation is performed by arylalkylamine N-acetyltransferase (AANAT) and is important in many biofunctions. AANAT catalyzes N-acetylation through an ordered sequential mechanism in which cofactor (Ac-CoA) binds first, with substrate binding afterward. No ternary structure containing AANAT, cofactor, and substrate was determined, meaning the details of substrate binding and product release remain unclear. Here, two ternary complexes of dopamine N-acetyltransferase (Dat) before and after N-acetylation were solved at 1.28 Å and 1.36 Å resolution, respectively. Combined with the structures of Dat in apo form and Ac-CoA bound form, we addressed each stage in the catalytic cycle. Isothermal titration calorimetry (ITC), crystallography, and nuclear magnetic resonance spectroscopy (NMR) were utilized to analyze the product release. Our data revealed that Ac-CoA regulates the conformational properties of Dat to form the catalytic site and substrate binding pocket, while the release of products is facilitated by the binding of new Ac-CoA.
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