Structural basis for potent slow binding inhibition of human matrix metalloproteinase-2 (MMP-2)

Gabriel Rosenblum, Samy Meroueh, Oded Kleifeld, Stephen Brown, Steven P. Singson, Rafael Fridman, Shahriar Mobashery, Irit Sagi

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

The zinc-dependent gelatinases belong to the family of matrix metalloproteinases (MMPs), enzymes that have been shown to play a key role in angiogenesis and tumor metastasis. These enzymes are capable of hydrolyzing extracellular matrix (ECM) components under physiological conditions. Specific and selective inhibitors aimed at blocking their activity are highly sought for use as potential therapeutic agents. We report herein on a novel mode of inhibition of gelatinase A (MMP-2) by the recently characterized inhibitors 4-(4-phenoxphenylsulfonyl)butane-1,2-dithiol (inhibitor 1) and 5-(4-phenoxphenylsulfonyl) pentane-1,2-dithiol (inhibitor 2). These synthetic inhibitors are selective for MMP-2 and MMP-9. We show that the dithiolate moiety of these inhibitors chelates the catalytic zinc ion of MMP-2 via two sulfur atoms. This mode of binding results in alternation of the coordination number of the metal ion and the induction of conformational changes at the microenvironment of the catalytic zinc ion; a set of events that is likely to be at the root of the potent slow binding inhibition behavior exhibited by these inhibitors. This study demonstrates a distinct approach for the understanding of the structural mechanism governing the molecular interactions between potent inhibitors and catalytic sites of MMPs, which may aid in the design of effective inhibitors.

Original languageEnglish (US)
Pages (from-to)27009-27015
Number of pages7
JournalJournal of Biological Chemistry
Volume278
Issue number29
DOIs
StatePublished - Jul 18 2003
Externally publishedYes

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Matrix Metalloproteinase 2
Zinc
Ions
Matrix Metalloproteinases
Gelatinases
Molecular interactions
Matrix Metalloproteinase 9
Enzymes
Sulfur
Extracellular Matrix
Metal ions
Tumors
Catalytic Domain
Metals
Neoplasm Metastasis
Atoms
human MMP2 protein
Neoplasms
dithiol
Therapeutics

ASJC Scopus subject areas

  • Biochemistry

Cite this

Structural basis for potent slow binding inhibition of human matrix metalloproteinase-2 (MMP-2). / Rosenblum, Gabriel; Meroueh, Samy; Kleifeld, Oded; Brown, Stephen; Singson, Steven P.; Fridman, Rafael; Mobashery, Shahriar; Sagi, Irit.

In: Journal of Biological Chemistry, Vol. 278, No. 29, 18.07.2003, p. 27009-27015.

Research output: Contribution to journalArticle

Rosenblum, G, Meroueh, S, Kleifeld, O, Brown, S, Singson, SP, Fridman, R, Mobashery, S & Sagi, I 2003, 'Structural basis for potent slow binding inhibition of human matrix metalloproteinase-2 (MMP-2)', Journal of Biological Chemistry, vol. 278, no. 29, pp. 27009-27015. https://doi.org/10.1074/jbc.M301139200
Rosenblum, Gabriel ; Meroueh, Samy ; Kleifeld, Oded ; Brown, Stephen ; Singson, Steven P. ; Fridman, Rafael ; Mobashery, Shahriar ; Sagi, Irit. / Structural basis for potent slow binding inhibition of human matrix metalloproteinase-2 (MMP-2). In: Journal of Biological Chemistry. 2003 ; Vol. 278, No. 29. pp. 27009-27015.
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