3ayk

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{{STRUCTURE_3ayk| PDB=3ayk | SCENE= }}
{{STRUCTURE_3ayk| PDB=3ayk | SCENE= }}
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'''CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH CGS-27023A, NMR, MINIMIZED AVERAGE STRUCTURE'''
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===CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH CGS-27023A, NMR, MINIMIZED AVERAGE STRUCTURE===
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==Overview==
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The solution structure of the catalytic fragment of human fibroblast collagenase (MMP-1) complexed with a sulfonamide derivative of a hydroxamic acid compound (CGS-27023A) has been determined using two-dimensional and three-dimensional heteronuclear NMR spectroscopy. The solution structure of the complex was calculated by means of hybrid distance geometry-simulated annealing using a combination of experimental NMR restraints obtained from the previous refinement of the inhibitor-free MMP-1 (1) and recent restraints for the MMP-1:CGS-27023A complex. The hydroxamic acid moiety of CGS-27023A was found to chelate to the "right" of the catalytic zinc where the p-methoxyphenyl sits in the S1' active-site pocket, the isopropyl group is in contact with H83 and N80, and the pyridine ring is solvent exposed. The sulfonyl oxygens are in hydrogen-bonding distance to the backbone NHs of L81 and A82. This is similar to the conformation determined by NMR of the inhibitor bound to stromelysin (2, 3). A total of 48 distance restraints were observed between MMP-1 and CGS-27023A from 3D 13C-edited/12C-filtered NOESY and 3D 15N-edited NOESY experiments. An additional 18 intramolecular restraints were observed for CGS-27023A from a 2D 12C-filtered NOESY experiment. A minimal set of NMR experiments in combination with the free MMP-1 assignments were used to assign the MMP-1 (1)H, 13C, and 15N resonances in the MMP-1:CGS-27023A complex. The assignments of CGS-27023A in the complex were obtained from 2D 12C-filtered NOESY and 2D 12C-filtered TOCSY experiments.
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{{ABSTRACT_PUBMED_10353819}}
==About this Structure==
==About this Structure==
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3AYK is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3AYK OCA].
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3AYK is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3AYK OCA].
==Reference==
==Reference==
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[[Category: Matrix metalloproteinase]]
[[Category: Matrix metalloproteinase]]
[[Category: Metalloprotease]]
[[Category: Metalloprotease]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 20:19:56 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 15:04:32 2008''

Revision as of 12:04, 29 July 2008

Image:3ayk.png

Template:STRUCTURE 3ayk

CATALYTIC FRAGMENT OF HUMAN FIBROBLAST COLLAGENASE COMPLEXED WITH CGS-27023A, NMR, MINIMIZED AVERAGE STRUCTURE

Template:ABSTRACT PUBMED 10353819

About this Structure

3AYK is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

NMR solution structure of the catalytic fragment of human fibroblast collagenase complexed with a sulfonamide derivative of a hydroxamic acid compound., Moy FJ, Chanda PK, Chen JM, Cosmi S, Edris W, Skotnicki JS, Wilhelm J, Powers R, Biochemistry. 1999 Jun 1;38(22):7085-96. PMID:10353819

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