# How a metabolite protects the enzyme that consumes it

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-06T21:40:01+00:00
- Category: Local
- Original: https://phys.org/news/2026-11-metabolite-enzyme-consumes.html
- Canonical: https://groundlevelnews.com/story/how-a-metabolite-protects-the-enzyme-that-consumes-it-457ada/

Metabolites are consumed by enzymes to produce other vital molecules as well as to control metabolite levels. But how do cells avoid consuming too much? Researchers from the MPI of Biochemistry, with the University of Nevada, Las Vegas, and the de Duve Institute in Brussels, have deciphered such molecular regulation in tryptophan metabolism. The essential amino acid tryptophan binds to a second si

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