5mkr

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<StructureSection load='5mkr' size='340' side='right'caption='[[5mkr]], [[Resolution|resolution]] 1.87&Aring;' scene=''>
<StructureSection load='5mkr' size='340' side='right'caption='[[5mkr]], [[Resolution|resolution]] 1.87&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5mkr]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5MKR OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5MKR FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5mkr]] 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=5MKR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5MKR FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FLC:CITRATE+ANION'>FLC</scene>, <scene name='pdbligand=TI8:3-[(2~{R},3~{S},4~{R},5~{R})-5-[6-AZANYL-8-[(4-CHLOROPHENYL)METHYLAMINO]PURIN-9-YL]-3,4-BIS(OXIDANYL)OXOLAN-2-YL]PROPYL+PROP-2-ENOATE'>TI8</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]] 1.87&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">HSPA1A, HSPA1, HSX70 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=FLC:CITRATE+ANION'>FLC</scene>, <scene name='pdbligand=TI8:3-[(2~{R},3~{S},4~{R},5~{R})-5-[6-AZANYL-8-[(4-CHLOROPHENYL)METHYLAMINO]PURIN-9-YL]-3,4-BIS(OXIDANYL)OXOLAN-2-YL]PROPYL+PROP-2-ENOATE'>TI8</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5mkr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5mkr OCA], [http://pdbe.org/5mkr PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5mkr RCSB], [http://www.ebi.ac.uk/pdbsum/5mkr PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5mkr 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=5mkr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5mkr OCA], [https://pdbe.org/5mkr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5mkr RCSB], [https://www.ebi.ac.uk/pdbsum/5mkr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5mkr ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/HS71A_HUMAN HS71A_HUMAN]] In cooperation with other chaperones, Hsp70s stabilize preexistent proteins against aggregation and mediate the folding of newly translated polypeptides in the cytosol as well as within organelles. These chaperones participate in all these processes through their ability to recognize nonnative conformations of other proteins. They bind extended peptide segments with a net hydrophobic character exposed by polypeptides during translation and membrane translocation, or following stress-induced damage. In case of rotavirus A infection, serves as a post-attachment receptor for the virus to facilitate entry into the cell. Essential for STUB1-mediated ubiquitination and degradation of FOXP3 in regulatory T-cells (Treg) during inflammation (PubMed:23973223).<ref>PMID:16537599</ref> <ref>PMID:22528486</ref> <ref>PMID:23973223</ref>
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[https://www.uniprot.org/uniprot/HS71A_HUMAN HS71A_HUMAN] In cooperation with other chaperones, Hsp70s stabilize preexistent proteins against aggregation and mediate the folding of newly translated polypeptides in the cytosol as well as within organelles. These chaperones participate in all these processes through their ability to recognize nonnative conformations of other proteins. They bind extended peptide segments with a net hydrophobic character exposed by polypeptides during translation and membrane translocation, or following stress-induced damage. In case of rotavirus A infection, serves as a post-attachment receptor for the virus to facilitate entry into the cell. Essential for STUB1-mediated ubiquitination and degradation of FOXP3 in regulatory T-cells (Treg) during inflammation (PubMed:23973223).<ref>PMID:16537599</ref> <ref>PMID:22528486</ref> <ref>PMID:23973223</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The stress-inducible molecular chaperone, HSP72, is an important therapeutic target in oncology, but inhibiting this protein with small molecules has proven particularly challenging. Validating HSP72 inhibitors in cells is difficult owing to competition with the high affinity and abundance of its endogenous nucleotide substrates. We hypothesized this could be overcome using a cysteine-targeted irreversible inhibitor. Using rational design, we adapted a validated 8-N-benzyladenosine ligand for covalent bond formation and confirmed targeted irreversible inhibition. However, no cysteine in the protein was modified; instead, we demonstrate that lysine-56 is the key nucleophilic residue. Targeting this lysine could lead to a new design paradigm for HSP72 chemical probes and drugs.
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An Irreversible Inhibitor of HSP72 that Unexpectedly Targets Lysine-56.,Pettinger J, Le Bihan YV, Widya M, van Montfort RL, Jones K, Cheeseman MD Angew Chem Int Ed Engl. 2017 Feb 22. doi: 10.1002/anie.201611907. PMID:28225177<ref>PMID:28225177</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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<div class="pdbe-citations 5mkr" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Bihan, Y V.Le]]
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[[Category: Cronin N]]
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[[Category: Cronin, N]]
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[[Category: Le Bihan Y-V]]
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[[Category: Montfort, R L.M Van]]
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[[Category: Pettinger J]]
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[[Category: Pettinger, J]]
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[[Category: Van Montfort RLM]]
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[[Category: Westwood, I M]]
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[[Category: Westwood IM]]
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[[Category: Chaperone]]
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[[Category: Irreversible inhibitor]]
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[[Category: Lysine modification]]
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Current revision

HSP72-NBD bound to compound TCI 8 - Tyr15 in up-conformation

PDB ID 5mkr

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