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6jwh

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Current revision (10:40, 27 March 2024) (edit) (undo)
 
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<StructureSection load='6jwh' size='340' side='right'caption='[[6jwh]], [[Resolution|resolution]] 1.72&Aring;' scene=''>
<StructureSection load='6jwh' size='340' side='right'caption='[[6jwh]], [[Resolution|resolution]] 1.72&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6jwh]] is a 1 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6JWH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6JWH FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6jwh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae_S288C Saccharomyces cerevisiae S288C]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6JWH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6JWH 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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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]] 1.7200025&#8491;</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=6jwh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6jwh OCA], [http://pdbe.org/6jwh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6jwh RCSB], [http://www.ebi.ac.uk/pdbsum/6jwh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6jwh ProSAT]</span></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=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=6jwh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6jwh OCA], [https://pdbe.org/6jwh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6jwh RCSB], [https://www.ebi.ac.uk/pdbsum/6jwh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6jwh ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/NPL4_YEAST NPL4_YEAST]] Involved in the import of nuclear-targeted proteins into the nucleus and the export of poly(A) RNA out of the nucleus (PubMed:8930904, PubMed:11733065). Has a role in the endoplasmic reticulum-associated degradation (ERAD) pathway (PubMed:11739805, PubMed:11740563, PubMed:11847109). Required for the proteasome-dependent processing/activation of MGA2 and SPT23 transcription factors leading to the subsequent expression of OLE1 (PubMed:11733065). Has an additional role in the turnover of OLE1 where it targets ubiquitinated OLE1 and other proteins to the ERAD (PubMed:11847109). Regulates ubiquitin-mediated mitochondria protein degradation (PubMed:21070972). Involved in spindle disassembly probably by promoting the degradation of spindle assemby factors ASE1 and CDC5 at the end of mitosis (PubMed:14636562).<ref>PMID:11733065</ref> <ref>PMID:11739805</ref> <ref>PMID:11740563</ref> <ref>PMID:11847109</ref> <ref>PMID:14636562</ref> <ref>PMID:21070972</ref> <ref>PMID:8930904</ref>
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[https://www.uniprot.org/uniprot/NPL4_YEAST NPL4_YEAST] Involved in the import of nuclear-targeted proteins into the nucleus and the export of poly(A) RNA out of the nucleus (PubMed:8930904, PubMed:11733065). Has a role in the endoplasmic reticulum-associated degradation (ERAD) pathway (PubMed:11739805, PubMed:11740563, PubMed:11847109). Required for the proteasome-dependent processing/activation of MGA2 and SPT23 transcription factors leading to the subsequent expression of OLE1 (PubMed:11733065). Has an additional role in the turnover of OLE1 where it targets ubiquitinated OLE1 and other proteins to the ERAD (PubMed:11847109). Regulates ubiquitin-mediated mitochondria protein degradation (PubMed:21070972). Involved in spindle disassembly probably by promoting the degradation of spindle assemby factors ASE1 and CDC5 at the end of mitosis (PubMed:14636562).<ref>PMID:11733065</ref> <ref>PMID:11739805</ref> <ref>PMID:11740563</ref> <ref>PMID:11847109</ref> <ref>PMID:14636562</ref> <ref>PMID:21070972</ref> <ref>PMID:8930904</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Npl4 is likely to be the most upstream factor recognizing Lys48-linked polyubiquitylated substrates in the proteasomal degradation pathway in yeast. Along with Ufd1, Npl4 forms a heterodimer (UN), and functions as a cofactor for the Cdc48 ATPase. Here, we report the crystal structures of yeast Npl4 in complex with Lys48-linked diubiquitin and with the Npl4-binding motif of Ufd1. The distal and proximal ubiquitin moieties of Lys48-linked diubiquitin primarily interact with the C-terminal helix and N-terminal loop of the Npl4 C-terminal domain (CTD), respectively. Mutational analysis suggests that the CTD contributes to linkage selectivity and initial binding of ubiquitin chains. Ufd1 occupies a hydrophobic groove of the Mpr1/Pad1 N-terminal (MPN) domain of Npl4, which corresponds to the catalytic groove of the MPN domain of JAB1/MPN/Mov34 metalloenzyme (JAMM)-family deubiquitylating enzyme. This study provides important structural insights into the polyubiquitin chain recognition by the Cdc48-UN complex and its assembly.
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Structural insights into ubiquitin recognition and Ufd1 interaction of Npl4.,Sato Y, Tsuchiya H, Yamagata A, Okatsu K, Tanaka K, Saeki Y, Fukai S Nat Commun. 2019 Dec 13;10(1):5708. doi: 10.1038/s41467-019-13697-y. PMID:31836717<ref>PMID:31836717</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 6jwh" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Fukai, S]]
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[[Category: Saccharomyces cerevisiae S288C]]
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[[Category: Sato, Y]]
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[[Category: Fukai S]]
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[[Category: Protein binding]]
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[[Category: Sato Y]]
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[[Category: Ubiquitin]]
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Current revision

Yeast Npl4 zinc finger, MPN and CTD domains

PDB ID 6jwh

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