2015
DOI: 10.1016/j.chembiol.2015.07.008
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High-Throughput Multiplexed Peptide-Centric Profiling Illustrates Both Substrate Cleavage Redundancy and Specificity in the MMP Family

Abstract: Summary Matrix metalloproteinases (MMPs) play incompletely understood roles in health and disease. Knowing the MMP cleavage preferences is essential for a better understanding of the MMP functions and design of selective inhibitors. To elucidate the cleavage preferences of MMPs, we employed a high throughput multiplexed peptide-centric profiling technology involving the cleavage of 18,583 peptides by 18 proteinases from the main sub-groups of the MMP family. Our results enabled comparison of the MMP substrates… Show more

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Cited by 30 publications
(40 citation statements)
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“…The cross-validation tests involving the hundreds of the MMP cleavage sequences identified by others (17,(21)(22)(23)(24)(25) validated the accuracy of our cleavage prediction software. Specifically, false prediction rate, accuracy, and specificity were 2-3, 94 -96, and 97-98%, respectively, for MMP-9, suggesting that, in addition to the previously known cleavage targets, we can now identify novel, previously unrecognized substrates of this proteinase (17,20).…”
Section: Resultsmentioning
confidence: 95%
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“…The cross-validation tests involving the hundreds of the MMP cleavage sequences identified by others (17,(21)(22)(23)(24)(25) validated the accuracy of our cleavage prediction software. Specifically, false prediction rate, accuracy, and specificity were 2-3, 94 -96, and 97-98%, respectively, for MMP-9, suggesting that, in addition to the previously known cleavage targets, we can now identify novel, previously unrecognized substrates of this proteinase (17,20).…”
Section: Resultsmentioning
confidence: 95%
“…Here, we employed a high throughput multiplexed peptide-centric profiling technology involving the cleavage of 18,583 peptides by the 18 individual proteinases from the main subgroups of the MMP family (20). Volumes of the experimental data we acquired, merged with advanced bioinformatics, enabled comparison of the MMP cleavage preferences on a global scale and led to the previously unprecedented level of knowledge in MMP biology.…”
Section: Resultsmentioning
confidence: 99%
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“…These results suggest that MMP-12 can act as a "true collagenase," preferentially cleaving a specific sequence in triple-helical conformation while having little or no activity toward the sequence in a nontriple-helical context. Indeed, recent analysis of hydrolysis among thousands of linear peptide sequences indicates that the single strand of collagen V residues 436 -450, apart from Val at P 1 Ј, lacks cleavage motifs favored by MMP-12 (56,57).…”
Section: Resultsmentioning
confidence: 99%
“…In combination with in vitro translation, nucleic acid sequencing has been used to determine protease cleavage sites (17). Such a setup has recently enabled the family-wide portrayal of matrix metalloprotease (MMP) specificity determinants (18). Cysteine cathepsin specificity has also been investigated by a nonpeptide approach termed fast profiling of protease specificity (19).…”
mentioning
confidence: 99%