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1bzs

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{{STRUCTURE_1bzs| PDB=1bzs | SCENE= }}
{{STRUCTURE_1bzs| PDB=1bzs | SCENE= }}
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'''CRYSTAL STRUCTURE OF MMP8 COMPLEXED WITH HMR2909'''
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===CRYSTAL STRUCTURE OF MMP8 COMPLEXED WITH HMR2909===
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==Overview==
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A set of 90 novel 2-(arylsulfonyl)-1,2,3, 4-tetrahydroisoquinoline-3-carboxylates and -hydroxamates as inhibitors of the matrix metalloproteinase human neutrophil collagenase (MMP-8) was designed, synthesized, and investigated by 3D-QSAR techniques (CoMFA, CoMSIA) and X-ray structure analysis. Docking studies of a reference compound are based on crystal structures of MMP-8 complexed with peptidic inhibitors to propose a model of its bioactive conformation. This model was validated by a 1. 7 A X-ray structure of the catalytic domain of MMP-8. The 3D-QSAR models based on a superposition rule derived from these docking studies were validated using conventional and cross-validated r2 values using the leave-one-out method, repeated analyses using two randomly chosen cross-validation groups plus randomization of biological activities. This led to consistent and highly predictive 3D-QSAR models with good correlation coefficients for both CoMFA and CoMSIA, which were found to correspond to experimentally determined MMP-8 catalytic site topology in terms of steric, electrostatic, and hydrophobic complementarity. Subsets selected as smaller training sets using 2D fingerprints and maximum dissimilarity methods resulted in 3D-QSAR models with remarkable correlation coefficients and a high predictive power. This allowed to compensate the weaker zinc binding properties of carboxylates by introducing optimal fitting P1' residues. The final QSAR information agrees with all experimental data for the binding topology and thus provides clear guidelines and accurate activity predictions for novel MMP-8 inhibitors.
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{{ABSTRACT_PUBMED_10354399}}
==About this Structure==
==About this Structure==
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[[Category: Matrix degradation]]
[[Category: Matrix degradation]]
[[Category: Metallo proteinase]]
[[Category: Metallo proteinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 20:00:36 2008''

Revision as of 17:00, 30 June 2008

Image:1bzs.png

Template:STRUCTURE 1bzs

CRYSTAL STRUCTURE OF MMP8 COMPLEXED WITH HMR2909

Template:ABSTRACT PUBMED 10354399

About this Structure

1BZS is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Quantitative structure-activity relationship of human neutrophil collagenase (MMP-8) inhibitors using comparative molecular field analysis and X-ray structure analysis., Matter H, Schwab W, Barbier D, Billen G, Haase B, Neises B, Schudok M, Thorwart W, Schreuder H, Brachvogel V, Lonze P, Weithmann KU, J Med Chem. 1999 Jun 3;42(11):1908-20. PMID:10354399

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