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Aminocarboxylic acids related to aspergillomarasmine A (AMA) and ethylenediamine-N,N′-disuccinic acid (EDDS) are strong zinc-binders and inhibitors of the metallo-beta-lactamase NDM-1

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Abstract

A series of aminocarboxylic acid analogues of aspergillomarasmine A (AMA) and ethylenediamine-N,N'-disuccinic acid (EDDS) were chemoenzymatically synthesized via the addition of various mono- and diamine substrates to fumaric acid catalyzed by the enzyme EDDS lyase. Many of these novel AMA and EDDS analogues demonstrate potent inhibition of the bacterial metallo-β-lactamase NDM-1. Isothermal titration calorimetry assays revealed a strong correlation between the inhibitory potency of the compounds and their ability to bind zinc. Compounds 1a (AMA), 1b (AMB), 5 (EDDS), followed by 1d and 8a, demonstrate the highest synergy with meropenem resensitizing an NDM-1 producing strain of E. coli to this important carbapenem of last resort.

Graphical abstract: Aminocarboxylic acids related to aspergillomarasmine A (AMA) and ethylenediamine-N,N′-disuccinic acid (EDDS) are strong zinc-binders and inhibitors of the metallo-beta-lactamase NDM-1

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Article information


Submitted
14 Jan 2020
Accepted
05 Feb 2020
First published
05 Feb 2020

This article is Open Access

Chem. Commun., 2020, Advance Article
Article type
Communication

Aminocarboxylic acids related to aspergillomarasmine A (AMA) and ethylenediamine-N,N′-disuccinic acid (EDDS) are strong zinc-binders and inhibitors of the metallo-beta-lactamase NDM-1

K. H. M. E. Tehrani, H. Fu, N. C. Brüchle, V. Mashayekhi, A. Prats Luján, M. J. van Haren, G. J. Poelarends and N. I. Martin, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00356E

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