1d2b

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{{STRUCTURE_1d2b| PDB=1d2b | SCENE= }}
{{STRUCTURE_1d2b| PDB=1d2b | SCENE= }}
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'''THE MMP-INHIBITORY, N-TERMINAL DOMAIN OF HUMAN TISSUE INHIBITOR OF METALLOPROTEINASES-1 (N-TIMP-1), SOLUTION NMR, 29 STRUCTURES'''
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===THE MMP-INHIBITORY, N-TERMINAL DOMAIN OF HUMAN TISSUE INHIBITOR OF METALLOPROTEINASES-1 (N-TIMP-1), SOLUTION NMR, 29 STRUCTURES===
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==Overview==
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A high quality solution structure of the matrix metalloproteinase inhibitory N-terminal domain of recombinant human tissue inhibitor of metalloproteinases-1 (N-TIMP-1) has been determined. For the rigidly packed residues, the average RMSD to the mean structure is 0. 57 A for the backbone atoms and 1.00 A for all heavy atoms. Comparison of the solution structure of free N-TIMP-1 with the crystal structure of TIMP-1 bound to the catalytic domain of MMP-3 ( Gomis-R]uth et al., 1997 ) shows that the structural core of the beta barrel flanked by helices is nearly unchanged by the association with MMP-3, evident from a backbone RMSD of 1.15 A. However, clear differences in the conformation of the MMP-binding ridge of free and MMP-bound TIMP-1 suggest induced fit throughout the ridge. The MMP-dependent conformational changes in the ridge include a dramatic bending of AB loop residues Glu28 through Leu34, moderate hinge bending of the CD-loop about residues Ala65 and Cys70, and modest bending of the Cys1 through Pro6 segment. A large number of interresidue Nuclear Overhauser enhancements (NOEs) augmented by stereospecific assignments, torsion restraints, and dipolar couplings (an average of 18 non-trivial restraints per residue) engender confidence in these structural inferences. A tight cluster of three lysine residues and one arginine residue atop beta-strands A and B, and identical among TIMP sequences, form the heart of a highly conserved electropositive patch that may interact with anionic components of the extracellular matrix.
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{{ABSTRACT_PUBMED_10623524}}
==About this Structure==
==About this Structure==
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1D2B 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=1D2B OCA].
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1D2B 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=1D2B OCA].
==Reference==
==Reference==
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[[Category: Ob-fold]]
[[Category: Ob-fold]]
[[Category: Protease inhibitor]]
[[Category: Protease inhibitor]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 22:11:17 2008''

Revision as of 19:11, 30 June 2008

Image:1d2b.png

Template:STRUCTURE 1d2b

THE MMP-INHIBITORY, N-TERMINAL DOMAIN OF HUMAN TISSUE INHIBITOR OF METALLOPROTEINASES-1 (N-TIMP-1), SOLUTION NMR, 29 STRUCTURES

Template:ABSTRACT PUBMED 10623524

About this Structure

1D2B is a Single protein structure of sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

NMR structure of tissue inhibitor of metalloproteinases-1 implicates localized induced fit in recognition of matrix metalloproteinases., Wu B, Arumugam S, Gao G, Lee GI, Semenchenko V, Huang W, Brew K, Van Doren SR, J Mol Biol. 2000 Jan 14;295(2):257-68. PMID:10623524

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