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Intrinsic selectivity in binding of matrix metalloproteinase-7 to differently charged lipid membranes.


ABSTRACT: We provide evidence that matrix metalloproteinase-7 (MMP-7) interacts with anionic, cationic and neutral lipid membranes, although it interacts strongest with anionic membranes. While the catalytic activity of the enzyme remains unaffected upon binding to neutral and negatively charged membranes, it is drastically impaired upon binding to the positively charged membranes. The structural data reveal that the origin of these features lies in the "bipolar" distribution of the electrostatic surface potentials on the crystallographic structure of MMP-7.

SUBMITTER: Ganguly B 

PROVIDER: S-EPMC2696809 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Intrinsic selectivity in binding of matrix metalloproteinase-7 to differently charged lipid membranes.

Ganguly Bratati B   Banerjee Jayati J   Elegbede Adekunle I AI   Klocke Donald J DJ   Mallik Sanku S   Srivastava D K DK  

FEBS letters 20071126 29


We provide evidence that matrix metalloproteinase-7 (MMP-7) interacts with anionic, cationic and neutral lipid membranes, although it interacts strongest with anionic membranes. While the catalytic activity of the enzyme remains unaffected upon binding to neutral and negatively charged membranes, it is drastically impaired upon binding to the positively charged membranes. The structural data reveal that the origin of these features lies in the "bipolar" distribution of the electrostatic surface  ...[more]

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