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• W3048377098 endingPage "3676" @default.
• W3048377098 startingPage "3676" @default.
• W3048377098 abstract "Prenylated natural products have interesting pharmacological properties and prenylation reactions play crucial roles in controlling the activities of biomolecules. They are difficult to synthesize chemically, but enzymatic synthesis production is a desirable pathway. Cyclic dipeptide prenyltransferase catalyzes the regioselective Friedel–Crafts alkylation of tryptophan-containing cyclic dipeptides. This class of enzymes, which belongs to the dimethylallyl tryptophan synthase superfamily, is known to be flexible to aromatic prenyl receptors, while mostly retaining its typical regioselectivity. In this study, seven tryptophan-containing cyclic dipeptides 1a–7a were converted to their C7-regularly prenylated derivatives 1b–7b in the presence of dimethylallyl diphosphate (DMAPP) by using the purified 7-dimethylallyl tryptophan synthase (7-DMATS) as catalyst. The HPLC analysis of the incubation mixture and the NMR analysis of the separated products showed that the stereochemical structure of the substrate had a great influence on their acceptance by 7-DMATS. Determination of the kinetic parameters proved that cyclo-l-Trp–Gly (1a) consisting of a tryptophanyl and glycine was accepted as the best substrate with a KM value of 169.7 μM and a turnover number of 0.1307 s−1. Furthermore, docking studies simulated the prenyl transfer reaction of 7-DMATS and it could be concluded that the highest affinity between 7-DMATS and 1a. Preliminary results have been clearly shown that prenylation at C7 led to a significant increase of the anticancer and antimicrobial activities of the prenylated derivatives 1b–7b in all the activity test experiment, especially the prenylated product 4b." @default.
• W3048377098 created "2020-08-18" @default.
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• W3048377098 date "2020-08-12" @default.
• W3048377098 modified "2023-09-29" @default.
• W3048377098 title "C7-Prenylation of Tryptophan-Containing Cyclic Dipeptides by 7-Dimethylallyl Tryptophan Synthase Significantly Increases the Anticancer and Antimicrobial Activities" @default.
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• W3048377098 doi "https://doi.org/10.3390/molecules25163676" @default.
• W3048377098 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7463755" @default.
• W3048377098 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32806659" @default.
• W3048377098 hasPublicationYear "2020" @default.
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