6q9h
From Proteopedia
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| - | '''Unreleased structure''' | ||
| - | + | ==HDM2 (17-111, WILD TYPE) COMPLEXED WITH COMPOUND 11 AT 2.0A; Structural states of Hdm2 and HdmX: X-ray elucidation of adaptations and binding interactions for different chemical compound classes== | |
| + | <StructureSection load='6q9h' size='340' side='right'caption='[[6q9h]], [[Resolution|resolution]] 2.00Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[6q9h]] 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=6Q9H OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6Q9H FirstGlance]. <br> | ||
| + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=HRH:(4~{S})-5-(3-chloranyl-2-fluoranyl-phenyl)-4-(4-chloranyl-2-methyl-phenyl)-3-propan-2-yl-1,4-dihydropyrrolo[3,4-c]pyrazol-6-one'>HRH</scene></td></tr> | ||
| + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[50c8|50c8]], [[6q96|6q96]]</td></tr> | ||
| + | <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=9606 HUMAN])</td></tr> | ||
| + | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/RING-type_E3_ubiquitin_transferase RING-type E3 ubiquitin transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.3.2.27 2.3.2.27] </span></td></tr> | ||
| + | <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=6q9h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6q9h OCA], [http://pdbe.org/6q9h PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6q9h RCSB], [http://www.ebi.ac.uk/pdbsum/6q9h PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6q9h ProSAT]</span></td></tr> | ||
| + | </table> | ||
| + | == Disease == | ||
| + | [[http://www.uniprot.org/uniprot/MDM2_HUMAN MDM2_HUMAN]] Note=Seems to be amplified in certain tumors (including soft tissue sarcomas, osteosarcomas and gliomas). A higher frequency of splice variants lacking p53 binding domain sequences was found in late-stage and high-grade ovarian and bladder carcinomas. Four of the splice variants show loss of p53 binding. | ||
| + | == Function == | ||
| + | [[http://www.uniprot.org/uniprot/MDM2_HUMAN MDM2_HUMAN]] E3 ubiquitin-protein ligase that mediates ubiquitination of p53/TP53, leading to its degradation by the proteasome. Inhibits p53/TP53- and p73/TP73-mediated cell cycle arrest and apoptosis by binding its transcriptional activation domain. Also acts as an ubiquitin ligase E3 toward itself and ARRB1. Permits the nuclear export of p53/TP53. Promotes proteasome-dependent ubiquitin-independent degradation of retinoblastoma RB1 protein. Inhibits DAXX-mediated apoptosis by inducing its ubiquitination and degradation. Component of the TRIM28/KAP1-MDM2-p53/TP53 complex involved in stabilizing p53/TP53. Also component of the TRIM28/KAP1-ERBB4-MDM2 complex which links growth factor and DNA damage response pathways. Mediates ubiquitination and subsequent proteasome degradation of DYRK2 in nucleus. Ubiquitinates IGF1R and promotes it to proteasomal degradation.<ref>PMID:12821780</ref> <ref>PMID:15053880</ref> <ref>PMID:15195100</ref> <ref>PMID:16337594</ref> <ref>PMID:15632057</ref> <ref>PMID:17290220</ref> <ref>PMID:19098711</ref> <ref>PMID:19219073</ref> <ref>PMID:19965871</ref> <ref>PMID:20858735</ref> <ref>PMID:20173098</ref> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Hdm2 (human MDM2) counteracts p53 function by direct binding to p53 and by ubiquitin-dependent p53 protein degradation. Activation of p53 by inhibitors of the p53-Hdm2 interaction is being pursued as a therapeutic strategy in p53 wild-type cancers. In addition, HdmX (human MDMX, human MDM4) was also identified as an important therapeutic target to efficiently reactivate p53, and it is likely that dual inhibition of Hdm2 and HdmX is beneficial. Here, we report four new X-ray structures for Hdm2 and five new X-ray structures for HdmX complexes, involving different classes of synthetic compounds. We also reveal the key additive 18-crown-ether, which we have discovered to enable HdmX crystallization and show its stabilization of various Lys-residues. In addition, we report the previously unpublished details of X-ray structure determinations for eight further Hdm2 complexes, including the clinical trial compounds NVP-CGM097 and NVP-HDM201. An analysis of all compound binding modes reveals new and deepened insights into the possible adaptations and structural states of Hdm2 (e.g. flip of F55; flip of Y67; reorientation of H96) and HdmX (e.g. flip of H55; dimer induction), enabling key binding interactions for different compound classes. In order to make comparisons easier, we have used the same numbering for Hdm2 and HdmX. Taken together, these structural insights should prove useful for the design and optimization of further selective and/or dual Hdm2/HdmX inhibitors. | ||
| - | + | Structural states of Hdm2 and HdmX: X-ray elucidation of adaptations and binding interactions for different chemical compound classes.,Kallen J, Izaac A, Chau S, Wirth E, Schoepfer J, Mah R, Schlapbach A, Stutz S, Vaupel A, Guagnano V, Masuya K, Stachyra TM, Salem B, Chene P, Gessier F, Holzer P, Furet P ChemMedChem. 2019 May 8. doi: 10.1002/cmdc.201900201. PMID:31066983<ref>PMID:31066983</ref> | |
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | [[Category: | + | </div> |
| + | <div class="pdbe-citations 6q9h" style="background-color:#fffaf0;"></div> | ||
| + | == References == | ||
| + | <references/> | ||
| + | __TOC__ | ||
| + | </StructureSection> | ||
| + | [[Category: Human]] | ||
| + | [[Category: Large Structures]] | ||
| + | [[Category: RING-type E3 ubiquitin transferase]] | ||
[[Category: Kallen, J]] | [[Category: Kallen, J]] | ||
| + | [[Category: Cell cycle]] | ||
| + | [[Category: Inhibitor complex]] | ||
| + | [[Category: Ligase]] | ||
| + | [[Category: Ppi with p53]] | ||
Revision as of 07:37, 21 May 2019
HDM2 (17-111, WILD TYPE) COMPLEXED WITH COMPOUND 11 AT 2.0A; Structural states of Hdm2 and HdmX: X-ray elucidation of adaptations and binding interactions for different chemical compound classes
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