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| [[Image:2cdd.gif|left|200px]]
| | REMOVED: The PDB entry 2cdd was removed. |
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| {{Structure
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| |PDB= 2cdd |SIZE=350|CAPTION= <scene name='initialview01'>2cdd</scene>, resolution 1.90Å
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| |SITE= <scene name='pdbsite=AC1:Ct5+Binding+Site+For+Chain+B'>AC1</scene>
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| |LIGAND= <scene name='pdbligand=CT5:4-[4-(2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL)-3-METHYL-1H-PYRAZOL-5-YL]-6-ETHYLBENZENE-1,3-DIOL'>CT5</scene>
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| |ACTIVITY=
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| |GENE=
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| |DOMAIN=
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| |RELATEDENTRY=
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| |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2cdd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cdd OCA], [http://www.ebi.ac.uk/pdbsum/2cdd PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2cdd RCSB]</span>
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| }}
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| '''HUMAN HSP90 WITH 4-(4-(2,3-DIHYDRO-BENZOL(1,4)DIOXIN-6-YL)-5-METHYL-1H-PYRAZOL-3-YL)-6-ETHYL-BENZENE-1,3-DIOL'''
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| ==Overview==
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| Hsp90 encodes a ubiquitous molecular chaperone protein conserved among species which acts on multiple substrates, many of which are important cell-signaling proteins. Inhibition of Hsp90 function has been promoted as a mechanism to degrade client proteins involved in tumorigenesis and disease progression. Several assays to monitor inhibition of Hsp90 function currently exist but are limited in their use for a drug discovery campaign. Using data from the crystal structure of an initial hit compound, we have developed a fluorescence polarization assay to monitor binding of compounds to the ATP-binding site of Hsp90. This assay is very robust (Z' > 0.9) and can detect affinity of compounds with IC50s to 40 nM. We have used this assay in conjunction with cocrystal structures of small molecules to drive a structure-based design program aimed at the discovery and optimization of a novel class of potent Hsp90 inhibitors.
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| ==About this Structure==
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| 2CDD 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=2CDD OCA].
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| ==Reference==
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| A fluorescence polarization assay for inhibitors of Hsp90., Howes R, Barril X, Dymock BW, Grant K, Northfield CJ, Robertson AG, Surgenor A, Wayne J, Wright L, James K, Matthews T, Cheung KM, McDonald E, Workman P, Drysdale MJ, Anal Biochem. 2006 Mar 15;350(2):202-13. Epub 2006 Jan 23. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16460658 16460658]
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| [[Category: Homo sapiens]]
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| [[Category: Single protein]]
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| [[Category: Barril, X.]]
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| [[Category: Cheung, K M.]]
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| [[Category: Drysdale, M J.]]
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| [[Category: Dymock, B W.]]
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| [[Category: Grant, K.]]
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| [[Category: Howes, R.]]
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| [[Category: James, K.]]
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| [[Category: Matthews, T.]]
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| [[Category: Mcdonald, E.]]
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| [[Category: Northfield, C J.]]
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| [[Category: Robertson, A.]]
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| [[Category: Surgenor, A.]]
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| [[Category: Wayne, J.]]
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| [[Category: Workman, P.]]
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| [[Category: Wright, L.]]
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| [[Category: atp-binding]]
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| [[Category: atpase]]
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| [[Category: chaperone]]
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| [[Category: heat shock]]
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| [[Category: hsp90]]
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| [[Category: nucleotide-binding]]
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| [[Category: phosphorylation]]
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| [[Category: pyrazole]]
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| ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 02:19:57 2008''
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REMOVED: The PDB entry 2cdd was removed.