4egk

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==Human Hsp90-alpha ATPase domain bound to Radicicol==
==Human Hsp90-alpha ATPase domain bound to Radicicol==
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<StructureSection load='4egk' size='340' side='right' caption='[[4egk]], [[Resolution|resolution]] 1.69&Aring;' scene=''>
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<StructureSection load='4egk' size='340' side='right'caption='[[4egk]], [[Resolution|resolution]] 1.69&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4egk]] is a 1 chain structure with 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=4EGK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4EGK FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4egk]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4EGK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4EGK FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=RDC:RADICICOL'>RDC</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.69&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4egi|4egi]], [[4egh|4egh]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=RDC:RADICICOL'>RDC</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HSP90AA1, HSP90A, HSPC1, HSPCA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4egk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4egk OCA], [https://pdbe.org/4egk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4egk RCSB], [https://www.ebi.ac.uk/pdbsum/4egk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4egk ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4egk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4egk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4egk RCSB], [http://www.ebi.ac.uk/pdbsum/4egk PDBsum]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/HS90A_HUMAN HS90A_HUMAN] Molecular chaperone that promotes the maturation, structural maintenance and proper regulation of specific target proteins involved for instance in cell cycle control and signal transduction. Undergoes a functional cycle that is linked to its ATPase activity. This cycle probably induces conformational changes in the client proteins, thereby causing their activation. Interacts dynamically with various co-chaperones that modulate its substrate recognition, ATPase cycle and chaperone function.<ref>PMID:15937123</ref> <ref>PMID:11274138</ref>
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CEfrag is a new fragment screening technology based on affinity capillary electrophoresis (ACE). Here we report on the development of a mobility shift competition assay using full-length human heat shock protein 90alpha (Hsp90alpha), radicicol as the competitor probe ligand, and successful screening of the Selcia fragment library. The CEfrag assay was able to detect weaker affinity (IC(50) &gt;500 microM) fragments than were detected by a fluorescence polarization competition assay using FITC-labeled geldanamycin. The binding site of selected fragments was determined by co-crystallization with recombinant Hsp90alpha N-terminal domain and X-ray analysis. The results of this study confirm that CEfrag is a sensitive microscale technique enabling detection of fragments binding to the biological target in near-physiological solution.
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Fragment Screening Using Capillary Electrophoresis (CEfrag) for Hit Identification of Heat Shock Protein 90 ATPase Inhibitors.,Austin C, Pettit SN, Magnolo SK, Sanvoisin J, Chen W, Wood SP, Freeman LD, Pengelly RJ, Hughes DE J Biomol Screen. 2012 May 9. PMID:22573733<ref>PMID:22573733</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==See Also==
==See Also==
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*[[Heat Shock Proteins|Heat Shock Proteins]]
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*[[Heat Shock Protein structures|Heat Shock Protein structures]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Chen, W J]]
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[[Category: Large Structures]]
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[[Category: Wood, S P]]
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[[Category: Chen WJ]]
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[[Category: Bergerat fold]]
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[[Category: Wood SP]]
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[[Category: Hydrolase]]
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[[Category: Hydrolase-hydrolase inhibitor complex]]
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Current revision

Human Hsp90-alpha ATPase domain bound to Radicicol

PDB ID 4egk

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