ArticleThe Journal of biological chemistry2012
Highly sensitive quenched fluorescent substrate of Legionella major secretory protein (msp) based on its structural analysis.
Article in The Journal of biological chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Protein sociology of ProA, Mip and other secreted virulence factors at theFrontiers in cellular and infection microbiology · 2023Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Legionella pneumophila has been shown to secrete a protease termed major secretory protein (Msp). This protease belongs to the M4 family of metalloproteases and shares 62.9% sequence similarity with pseudolysin (EC 3.4.24.26). With the aim of developing a specific enzymatic assay for the detection and quantification of Msp, the Fluofast substrate library was screened using both enzymes in parallel. Moreover, based on the crystal structure of pseudolysin, a model of the Msp structure was built. Screening of the peptide library identified a lead substrate specifically cleaved by Msp that was subsequently optimized by rational design. The proposed model for Msp is consistent with the enzymatic characteristics of the studied peptide substrates and provides new structural information useful for the characterization of the protease. This study leads to the identification of the first selective and high affinity substrate for Msp that is able to detect picomolar concentrations of the purified enzyme. The identified substrate could be useful for the development of a novel method for the rapid detection of Legionella.
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