1yc1

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|PDB= 1yc1 |SIZE=350|CAPTION= <scene name='initialview01'>1yc1</scene>, resolution 1.70&Aring;
|PDB= 1yc1 |SIZE=350|CAPTION= <scene name='initialview01'>1yc1</scene>, resolution 1.70&Aring;
|SITE=
|SITE=
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|LIGAND= <scene name='pdbligand=4BC:4-(1,3-BENZODIOXOL-5-YL)-5-(5-ETHYL-2,4-DIHYDROXYPHENYL)-2H-PYRAZOLE-3-CARBOXYLIC ACID'>4BC</scene>
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|LIGAND= <scene name='pdbligand=4BC:4-(1,3-BENZODIOXOL-5-YL)-5-(5-ETHYL-2,4-DIHYDROXYPHENYL)-2H-PYRAZOLE-3-CARBOXYLIC+ACID'>4BC</scene>
|ACTIVITY=
|ACTIVITY=
|GENE= HSPCA, HSP90A, HSPC1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|GENE= HSPCA, HSP90A, HSPC1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
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|DOMAIN=
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|RELATEDENTRY=[[1yc3|1YC3]], [[1yc4|1YC4]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1yc1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1yc1 OCA], [http://www.ebi.ac.uk/pdbsum/1yc1 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1yc1 RCSB]</span>
}}
}}
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[[Category: Lesley, S A.]]
[[Category: Lesley, S A.]]
[[Category: Zhou, V.]]
[[Category: Zhou, V.]]
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[[Category: 4BC]]
 
[[Category: cancer]]
[[Category: cancer]]
[[Category: cell-cycle]]
[[Category: cell-cycle]]
[[Category: drug design]]
[[Category: drug design]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 15:20:55 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 01:02:14 2008''

Revision as of 22:02, 30 March 2008


PDB ID 1yc1

Drag the structure with the mouse to rotate
, resolution 1.70Å
Ligands:
Gene: HSPCA, HSP90A, HSPC1 (Homo sapiens)
Related: 1YC3, 1YC4


Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal Structures of human HSP90alpha complexed with dihydroxyphenylpyrazoles


Overview

A series of dihydroxyphenylpyrazole compounds were identified as a unique class of reversible Hsp90 inhibitors. The crystal structures for two of the identified compounds complexed with the N-terminal ATP binding domain of human Hsp90alpha were determined. The dihydroxyphenyl ring of the compounds fits deeply into the adenine binding pocket with the C2 hydroxyl group forming a direct hydrogen bond with the side chain of Asp93. The pyrazole ring forms hydrogen bonds to the backbone carbonyl of Gly97, the hydroxyl group of Thr184 and to a water molecule, which is present in all of the published HSP90 structures. One of the identified compounds (G3130) demonstrated cellular activities (in Her-2 degradation and activation of Hsp70 promoter) consistent with the inhibition of cellular Hsp90 functions.

About this Structure

1YC1 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

Crystal structures of human HSP90alpha-complexed with dihydroxyphenylpyrazoles., Kreusch A, Han S, Brinker A, Zhou V, Choi HS, He Y, Lesley SA, Caldwell J, Gu XJ, Bioorg Med Chem Lett. 2005 Mar 1;15(5):1475-8. PMID:15713410

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