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Bioorganic & medicinal chemistry

Labeling and enrichment of Arabidopsis thaliana matrix metalloproteases using an active-site directed, marimastat-based photoreactive probe.


PMID 21775155

Abstract

Matrix metalloproteases (MMPs) are secreted or membrane-bound zinc-containing proteases that play diverse roles in development and immunity in plants and in tissue remodeling in animals. We developed a photoreactive probe based on the MMP inhibitor marimastat, conjugated to a 4-azidotetrafluorobenzoyl moiety as photoreactive group and biotin as detection or sorting function. The probe labels At2-MMP, At4-MMP, At5-MMP, and likely other plant MMPs in leaf extracts, as shown by transient At-MMP expression in Nicotiana benthamiana, protein blot, and LC-MS/MS analysis. This MMP probe is a valuable tool to study the post-translational status of MMPs during plant immunity and other MMP-regulated processes.

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M2699
Marimastat, ≥98% (HPLC)
C15H29N3O5