1uyl

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{{Seed}}
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{{STRUCTURE_1uyl| PDB=1uyl | SCENE= }}
{{STRUCTURE_1uyl| PDB=1uyl | SCENE= }}
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'''STRUCTURE-ACTIVITY RELATIONSHIPS IN PURINE-BASED INHIBITOR BINDING TO HSP90 ISOFORMS'''
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===STRUCTURE-ACTIVITY RELATIONSHIPS IN PURINE-BASED INHIBITOR BINDING TO HSP90 ISOFORMS===
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==Overview==
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Inhibition of the ATPase activity of the chaperone protein HSP90 is a potential strategy for treatment of cancers. We have determined structures of the HSP90alpha N-terminal domain complexed with the purine-based inhibitor, PU3, and analogs with enhanced potency both in enzyme and cell-based assays. The compounds induce upregulation of HSP70 and downregulation of the known HSP90 client proteins Raf-1, CDK4, and ErbB2, confirming that the molecules inhibit cell growth by a mechanism dependent on HSP90 inhibition. We have also determined the first structure of the N-terminal domain of HSP90beta, complexed with PU3. The structures allow a detailed rationale to be developed for the observed affinity of the PU3 class of compounds for HSP90 and also provide a structural framework for design of compounds with improved binding affinity and drug-like properties.
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(as it appears on PubMed at http://www.pubmed.gov), where 15217611 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15217611}}
==About this Structure==
==About this Structure==
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[[Category: Heat shock]]
[[Category: Heat shock]]
[[Category: Hsp90]]
[[Category: Hsp90]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:51:58 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 10:47:42 2008''

Revision as of 07:47, 28 July 2008

Image:1uyl.png

Template:STRUCTURE 1uyl

STRUCTURE-ACTIVITY RELATIONSHIPS IN PURINE-BASED INHIBITOR BINDING TO HSP90 ISOFORMS

Template:ABSTRACT PUBMED 15217611

About this Structure

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

Reference

Structure-activity relationships in purine-based inhibitor binding to HSP90 isoforms., Wright L, Barril X, Dymock B, Sheridan L, Surgenor A, Beswick M, Drysdale M, Collier A, Massey A, Davies N, Fink A, Fromont C, Aherne W, Boxall K, Sharp S, Workman P, Hubbard RE, Chem Biol. 2004 Jun;11(6):775-85. PMID:15217611

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