25516-00-1

Cyclo(Δ-Ala-L-Val) is a diketopiperazine formed by the fusion of Δ-alanine and valine, reported as a secondary metabolite of fungi and bacteria. In Pseudomonas aeruginosa, cyclo(Δ-Ala-L-Val) is capable of activating N-acylhomoserine lactones (AHLs). Cyclo(Δ-Ala-L-Val) is also capable of activating or antagonizing other LuxR-based quorum-sensing systems. While the mode of action of cyclo(Δ-Ala-L-Val) is not known, its activity suggests the existence of cross talk among bacterial signalling systems.

ChEBI: Cyclo(DeltaAla-L-Val) is a 2,5-diketopiperazine where the substituents are methylidene and (S)-isopropyl at positions 3 and 6 respectively. It has a role as a metabolite.

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