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6baw

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==Structure of GRP94 with a selective resorcinylic inhibitor.==
==Structure of GRP94 with a selective resorcinylic inhibitor.==
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<StructureSection load='6baw' size='340' side='right' caption='[[6baw]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
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<StructureSection load='6baw' size='340' side='right'caption='[[6baw]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6baw]] is a 4 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6BAW OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6BAW FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6baw]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Canis_lupus_familiaris Canis lupus familiaris]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6BAW OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6BAW 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=D57:dimethyl+2-[2-(1-benzyl-1H-imidazol-2-yl)ethyl]-4,6-dihydroxybenzene-1,3-dicarboxylate'>D57</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</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]] 2.703&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5vyy|5vyy]], [[5wmt|5wmt]]</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=D57:dimethyl+2-[2-(1-benzyl-1H-imidazol-2-yl)ethyl]-4,6-dihydroxybenzene-1,3-dicarboxylate'>D57</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></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=6baw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6baw OCA], [http://pdbe.org/6baw PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6baw RCSB], [http://www.ebi.ac.uk/pdbsum/6baw PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6baw ProSAT]</span></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=6baw FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6baw OCA], [https://pdbe.org/6baw PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6baw RCSB], [https://www.ebi.ac.uk/pdbsum/6baw PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6baw ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/ENPL_CANLF ENPL_CANLF]] Molecular chaperone that functions in the processing and transport of secreted proteins. When associated with CNPY3, required for proper folding of Toll-like receptors. Functions in endoplasmic reticulum associated degradation (ERAD). Has ATPase activity (By similarity).
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[https://www.uniprot.org/uniprot/ENPL_CANLF ENPL_CANLF] Molecular chaperone that functions in the processing and transport of secreted proteins. When associated with CNPY3, required for proper folding of Toll-like receptors. Functions in endoplasmic reticulum associated degradation (ERAD). Has ATPase activity (By similarity).
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Grp94 and Hsp90, the ER and cytoplasmic hsp90 paralogs, share a conserved ATP-binding pocket that has been targeted for therapeutics. Paralog-selective inhibitors may lead to drugs with fewer side effects. Here, we analyzed 1 (BnIm), a benzyl imidazole resorcinylic inhibitor, for its mode of binding. The structures of 1 bound to Hsp90 and Grp94 reveal large conformational changes in Grp94 but not Hsp90 that expose site 2, a binding pocket adjacent to the central ATP cavity that is ordinarily blocked. The Grp94:1 structure reveals a flipped pose of the resorcinylic scaffold that inserts into the exposed site 2. We exploited this flipped binding pose to develop a Grp94-selective derivative of 1. Our structural analysis shows that the ability of the ligand to insert its benzyl imidazole substituent into site 1, a different side pocket off the ATP binding cavity, is the key to exposing site 2 in Grp94.
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Structure Based Design of a Grp94-Selective Inhibitor: Exploiting a Key Residue in Grp94 To Optimize Paralog-Selective Binding.,Que NLS, Crowley VM, Duerfeldt AS, Zhao J, Kent CN, Blagg BSJ, Gewirth DT J Med Chem. 2018 Apr 12;61(7):2793-2805. doi: 10.1021/acs.jmedchem.7b01608. Epub , 2018 Mar 20. PMID:29528635<ref>PMID:29528635</ref>
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==See Also==
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*[[Heat Shock Protein structures|Heat Shock Protein structures]]
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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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<div class="pdbe-citations 6baw" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Gewirth, D T]]
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[[Category: Canis lupus familiaris]]
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[[Category: Que, N L.S]]
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[[Category: Large Structures]]
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[[Category: Chaperone-inhibitor complex]]
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[[Category: Gewirth DT]]
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[[Category: Que NLS]]

Current revision

Structure of GRP94 with a selective resorcinylic inhibitor.

PDB ID 6baw

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