In vitro and in vivo comparative and competitive activity-based protein profiling of GH29 α-L-fucosidases

Jianbing Jiang, Wouter W. Kallemeijn, Daniel W. Wright, Adrianus M C H Van Den Nieuwendijk, Veronica Coco Rohde, Elisa Colomina Folch, Hans Van Den Elst, Bogdan I. Florea, Saskia Scheij, Wilma E. Donker-Koopman, Marri Verhoek, Nan Li, Martin Schürmann, Daniel Mink, Rolf G. Boot, Jeroen D C Codée, Gijsbert A. Van Der Marel, Gideon J. Davies, Johannes M F G Aerts*, Herman S. Overkleeft

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

GH29 α-L-fucosidases catalyze the hydrolysis of α-L-fucosidic linkages. Deficiency in human lysosomal α-L-fucosidase (FUCA1) leads to the recessively inherited disorder, fucosidosis. Herein we describe the development of fucopyranose-configured cyclophellitol aziridines as activity-based probes (ABPs) for selective in vitro and in vivo labeling of GH29 α-L-fucosidases from bacteria, mice and man. Crystallographic analysis on bacterial α-L-fucosidase confirms that the ABPs act by covalent modification of the active site nucleophile. Competitive activity-based protein profiling identified l-fuconojirimycin as the single GH29 α-L-fucosidase inhibitor from eight configurational isomers.

Original languageEnglish
Pages (from-to)2782-2789
Number of pages8
JournalChemical Science
Volume6
Issue number5
Early online date9 Feb 2015
DOIs
Publication statusPublished - 1 May 2015

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