Profiling interactions of vaborbactam with metallo-β-lactamases
Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved..
β-Lactams are the most successful antibacterials, yet their use is threatened by resistance, importantly as caused by β-lactamases. β-Lactamases fall into two mechanistic groups: the serine β-lactamases that utilise a covalent acyl-enzyme mechanism and the metallo β-lactamases that utilise a zinc-bound water nucleophile. Achieving simultaneous inhibition of both β-lactamase classes remains a challenge in the field. Vaborbactam is a boronate-based inhibitor that reacts with serine-β-lactamases to form covalent complexes that mimic tetrahedral intermediates in catalysis. Vaborbactam has recently been approved for clinical use in combination with the carbapenem meropenem. Here we show that vaborbactam moderately inhibits metallo-β-lactamases from all 3 subclasses (B1, B2 and B3), with a potency of around 20-100 fold below that by which it inhibits its current clinical targets, the Class A serine β-lactamases. This result contrasts with recent investigations of bicyclic boronate inhibitors, which potently inhibit subclass B1 MBLs but which presently lack activity against B2 and B3 enzymes. These findings indicate that cyclic boronate scaffolds have the potential to inhibit the full range of β-lactamases and justify further work on the development of boronates as broad-spectrum β-lactamase inhibitors.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:29 |
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| Enthalten in: |
Bioorganic & medicinal chemistry letters - 29(2019), 15 vom: 01. Aug., Seite 1981-1984 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Langley, Gareth W [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.09.2020 Date Revised 29.01.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.bmcl.2019.05.031 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM297886355 |
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| 245 | 1 | 0 | |a Profiling interactions of vaborbactam with metallo-β-lactamases |
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| 520 | |a Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved. | ||
| 520 | |a β-Lactams are the most successful antibacterials, yet their use is threatened by resistance, importantly as caused by β-lactamases. β-Lactamases fall into two mechanistic groups: the serine β-lactamases that utilise a covalent acyl-enzyme mechanism and the metallo β-lactamases that utilise a zinc-bound water nucleophile. Achieving simultaneous inhibition of both β-lactamase classes remains a challenge in the field. Vaborbactam is a boronate-based inhibitor that reacts with serine-β-lactamases to form covalent complexes that mimic tetrahedral intermediates in catalysis. Vaborbactam has recently been approved for clinical use in combination with the carbapenem meropenem. Here we show that vaborbactam moderately inhibits metallo-β-lactamases from all 3 subclasses (B1, B2 and B3), with a potency of around 20-100 fold below that by which it inhibits its current clinical targets, the Class A serine β-lactamases. This result contrasts with recent investigations of bicyclic boronate inhibitors, which potently inhibit subclass B1 MBLs but which presently lack activity against B2 and B3 enzymes. These findings indicate that cyclic boronate scaffolds have the potential to inhibit the full range of β-lactamases and justify further work on the development of boronates as broad-spectrum β-lactamase inhibitors | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Antibiotic resistance | |
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| 650 | 4 | |a Serine- and metallo-β-lactamase | |
| 650 | 4 | |a Transition state analogue | |
| 650 | 4 | |a Vaborbactam | |
| 650 | 4 | |a β-Lactamase induction | |
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| 700 | 1 | |a Tyrrell, Jonathan M |e verfasserin |4 aut | |
| 700 | 1 | |a Hinchliffe, Philip |e verfasserin |4 aut | |
| 700 | 1 | |a Calvopiña, Karina |e verfasserin |4 aut | |
| 700 | 1 | |a Tooke, Catherine L |e verfasserin |4 aut | |
| 700 | 1 | |a Widlake, Emma |e verfasserin |4 aut | |
| 700 | 1 | |a Dowson, Christopher G |e verfasserin |4 aut | |
| 700 | 1 | |a Spencer, James |e verfasserin |4 aut | |
| 700 | 1 | |a Walsh, Timothy R |e verfasserin |4 aut | |
| 700 | 1 | |a Schofield, Christopher J |e verfasserin |4 aut | |
| 700 | 1 | |a Brem, Jürgen |e verfasserin |4 aut | |
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