Histidines, histamines and imidazoles as glycosidase inhibitors

Field, R. A. ORCID: https://orcid.org/0000-0001-8574-0275, Haines, A. H., Chrystal, E. J.T. and Luszniak, M. C. (1991) Histidines, histamines and imidazoles as glycosidase inhibitors. Biochemical Journal, 274 (3). pp. 885-889. ISSN 0264-6021

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Abstract

This present study reports the ability of a range of derivatives of L-histidine, histamine and imidazole to act as inhibitors of sweet-almond β-glucosidase, yeast α-glucosidase, and Escherichia coli β-galactosidase. The addition of a hydrophobic group to the basic imidazole nucleus greatly enhances binding to both the α- and β-glucosidases. L-Histidine β-naphthylamide (K(i) 17 μM) is a potent competitive inhibitor of sweet-almond β-glucosidase as is ω-N-acetylhistamine (K(i) 35 μM), which inhibits the sweet-almond β-glucosidase at least 700 times more strongly than either yeast α-glucosidase or Escherichia coli β-galactosidase, and suggests potential for the development of selective reversible β-glucosidase inhibitors. A range of hydrophobic ω-N-acylhistamines were synthesized and shown to be among the most potent inhibitors of sweet-almond β-glucosidase reported to date.

Item Type: Article
Uncontrolled Keywords: biochemistry,molecular biology,cell biology ,/dk/atira/pure/subjectarea/asjc/1300/1303
Faculty \ School: Faculty of Science > School of Chemistry, Pharmacy and Pharmacology
Faculty of Science > School of Chemistry (former - to 2024)
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Depositing User: LivePure Connector
Date Deposited: 11 Sep 2024 14:30
Last Modified: 25 Sep 2024 18:09
URI: https://ueaeprints.uea.ac.uk/id/eprint/96728
DOI: 10.1042/bj2740885

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