4j74

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==The 1.2A crystal structure of humanized Xenopus MDM2 with RO0503918 - a nutlin fragment==
==The 1.2A crystal structure of humanized Xenopus MDM2 with RO0503918 - a nutlin fragment==
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<StructureSection load='4j74' size='340' side='right' caption='[[4j74]], [[Resolution|resolution]] 1.20&Aring;' scene=''>
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<StructureSection load='4j74' size='340' side='right'caption='[[4j74]], [[Resolution|resolution]] 1.20&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4j74]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/African_clawed_frog African clawed frog]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4J74 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4J74 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4j74]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Xenopus_laevis Xenopus laevis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4J74 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4J74 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=I18:(4S,5R)-4,5-BIS(4-CHLOROPHENYL)-2-METHYL-4,5-DIHYDRO-1H-IMIDAZOLE'>I18</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 1.2&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4ipf|4ipf]], [[1rv1|1rv1]], [[4j3e|4j3e]], [[4j7d|4j7d]], [[4j7e|4j7e]]</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=I18:(4S,5R)-4,5-BIS(4-CHLOROPHENYL)-2-METHYL-4,5-DIHYDRO-1H-IMIDAZOLE'>I18</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">mdm2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=8355 African clawed frog])</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=4j74 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4j74 OCA], [https://pdbe.org/4j74 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4j74 RCSB], [https://www.ebi.ac.uk/pdbsum/4j74 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4j74 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=4j74 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4j74 OCA], [http://pdbe.org/4j74 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4j74 RCSB], [http://www.ebi.ac.uk/pdbsum/4j74 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4j74 ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/MDM2_XENLA MDM2_XENLA]] E3 ubiquitin-protein ligase that mediates ubiquitination of p53/TP53, leading to its degration by the proteasome (By similarity).
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[https://www.uniprot.org/uniprot/MDM2_XENLA MDM2_XENLA] E3 ubiquitin-protein ligase that mediates ubiquitination of p53/TP53, leading to its degration by the proteasome (By similarity).
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Protein-protein interaction (PPI) systems represent a rich potential source of targets for drug discovery, but historically have proven to be difficult, particularly in the lead identification stage. Application of the fragment-based approach may help toward success with this target class. To provide an example toward understanding the potential issues associated with such an application, we have deconstructed one of the best established protein-protein inhibitors, the Nutlin series that inhibits the interaction between MDM2 and p53, into fragments, and surveyed the resulting binding properties using heteronuclear single quantum coherence nuclear magnetic resonance (HSQC NMR), surface plasmon resonance (SPR), and X-ray crystallography. We report the relative contributions toward binding affinity for each of the key substituents of the Nutlin molecule and show that this series could hypothetically have been discovered via a fragment approach. We find that the smallest fragment of Nutlin that retains binding accesses two subpockets of MDM2 and has a molecular weight at the high end of the range that normally defines fragments.
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Deconstruction of a nutlin: dissecting the binding determinants of a potent protein-protein interaction inhibitor.,Fry DC, Wartchow C, Graves B, Janson C, Lukacs C, Kammlott U, Belunis C, Palme S, Klein C, Vu B ACS Med Chem Lett. 2013 May 24;4(7):660-5. doi: 10.1021/ml400062c. eCollection, 2013 Jul 11. PMID:24900726<ref>PMID:24900726</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 4j74" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[MDM2|MDM2]]
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*[[MDM2 3D structures|MDM2 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: African clawed frog]]
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[[Category: Large Structures]]
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[[Category: Graves, B]]
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[[Category: Xenopus laevis]]
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[[Category: Janson, C]]
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[[Category: Graves B]]
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[[Category: Kammlott, U]]
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[[Category: Janson C]]
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[[Category: Lukacs, C]]
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[[Category: Kammlott U]]
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[[Category: E3 ubiquitin ligase]]
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[[Category: Lukacs C]]
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[[Category: Imidazoline]]
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[[Category: Ligase-antagonist complex]]
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[[Category: Mdm2]]
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[[Category: Nucleus]]
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[[Category: P53]]
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Current revision

The 1.2A crystal structure of humanized Xenopus MDM2 with RO0503918 - a nutlin fragment

PDB ID 4j74

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