8qni

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Current revision (07:32, 22 November 2023) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 8qni is ON HOLD until Paper Publication
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==Crystal structure of the E3 ubiquitin ligase Cbl-b with an allosteric inhibitor (benzodiazepine compound 25)==
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<StructureSection load='8qni' size='340' side='right'caption='[[8qni]], [[Resolution|resolution]] 2.48&Aring;' scene=''>
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Authors: Schimpl, M.
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== Structural highlights ==
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<table><tr><td colspan='2'>[[8qni]] 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=8QNI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8QNI FirstGlance]. <br>
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Description: Crystal structure of the E3 ubiquitin ligase Cbl-b with an allosteric inhibitor (benzodiazepine compound 25)
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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]] 2.483&#8491;</td></tr>
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[[Category: Unreleased Structures]]
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=NA:SODIUM+ION'>NA</scene>, <scene name='pdbligand=W7R:2-[[(2~{S})-2-methylmorpholin-4-yl]methyl]-~{N}-[(3~{S})-2-oxidanylidene-5-phenyl-1,3-dihydropyrido[3,4-e][1,4]diazepin-3-yl]benzamide'>W7R</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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[[Category: Schimpl, M]]
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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=8qni FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8qni OCA], [https://pdbe.org/8qni PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8qni RCSB], [https://www.ebi.ac.uk/pdbsum/8qni PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8qni ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CBLB_HUMAN CBLB_HUMAN] E3 ubiquitin-protein ligase which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes, and transfers it to substrates, generally promoting their degradation by the proteasome. Negatively regulates TCR (T-cell receptor), BCR (B-cell receptor) and FCER1 (high affinity immunoglobulin epsilon receptor) signal transduction pathways. In naive T-cells, inhibits VAV1 activation upon TCR engagement and imposes a requirement for CD28 costimulation for proliferation and IL-2 production. Also acts by promoting PIK3R1/p85 ubiquitination, which impairs its recruitment to the TCR and subsequent activation. In activated T-cells, inhibits PLCG1 activation and calcium mobilization upon restimulation and promotes anergy. In B-cells, acts by ubiquitinating SYK and promoting its proteasomal degradation. May also be involved in EGFR ubiquitination and internalization.<ref>PMID:10022120</ref> <ref>PMID:10086340</ref> <ref>PMID:11087752</ref> <ref>PMID:11526404</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Schimpl M]]

Current revision

Crystal structure of the E3 ubiquitin ligase Cbl-b with an allosteric inhibitor (benzodiazepine compound 25)

PDB ID 8qni

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