1q5w

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[[Image:1q5w.jpg|left|200px]]
 
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==Ubiquitin Recognition by Npl4 Zinc-Fingers==
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The line below this paragraph, containing "STRUCTURE_1q5w", creates the "Structure Box" on the page.
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<StructureSection load='1q5w' size='340' side='right'caption='[[1q5w]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1q5w]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q5W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Q5W FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=ZN:ZINC+ION'>ZN</scene></td></tr>
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{{STRUCTURE_1q5w| PDB=1q5w | SCENE= }}
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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=1q5w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q5w OCA], [https://pdbe.org/1q5w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1q5w RCSB], [https://www.ebi.ac.uk/pdbsum/1q5w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1q5w ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NPL4_RAT NPL4_RAT] The ternary complex containing UFD1L, VCP and NPLOC4 binds ubiquitinated proteins and is necessary for the export of misfolded proteins from the ER to the cytoplasm, where they are degraded by the proteasome. The NPLOC4-UFD1L-VCP complex regulates spindle disassembly at the end of mitosis and is necessary for the formation of a closed nuclear envelope.<ref>PMID:10811609</ref> <ref>PMID:11781570</ref> <ref>PMID:11740563</ref> <ref>PMID:14636562</ref> <ref>PMID:12411482</ref> <ref>PMID:12644454</ref>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/q5/1q5w_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1q5w ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Ubiquitin (Ub) functions in many different biological pathways, where it typically interacts with proteins that contain modular Ub recognition domains. One such recognition domain is the Npl4 zinc finger (NZF), a compact zinc-binding module found in many proteins that function in Ub-dependent processes. We now report the solution structure of the NZF domain from Npl4 in complex with Ub. The structure reveals that three key NZF residues (13TF14/M25) surrounding the zinc coordination site bind the hydrophobic 'Ile44' surface of Ub. Mutations in the 13TF14/M25 motif inhibit Ub binding, and naturally occurring NZF domains that lack the motif do not bind Ub. However, substitution of the 13TF14/M25 motif into the nonbinding NZF domain from RanBP2 creates Ub-binding activity, demonstrating the versatility of the NZF scaffold. Finally, NZF mutations that inhibit Ub binding by the NZF domain of Vps36/ESCRT-II also inhibit sorting of ubiquitylated proteins into the yeast vacuole. Thus, the NZF is a versatile protein recognition domain that is used to bind ubiquitylated proteins during vacuolar protein sorting, and probably many other biological processes.
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'''Ubiquitin Recognition by Npl4 Zinc-Fingers'''
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Ubiquitin interactions of NZF zinc fingers.,Alam SL, Sun J, Payne M, Welch BD, Blake BK, Davis DR, Meyer HH, Emr SD, Sundquist WI EMBO J. 2004 Apr 7;23(7):1411-21. Epub 2004 Mar 18. PMID:15029239<ref>PMID:15029239</ref>
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==Overview==
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Ubiquitin (Ub) functions in many different biological pathways, where it typically interacts with proteins that contain modular Ub recognition domains. One such recognition domain is the Npl4 zinc finger (NZF), a compact zinc-binding module found in many proteins that function in Ub-dependent processes. We now report the solution structure of the NZF domain from Npl4 in complex with Ub. The structure reveals that three key NZF residues (13TF14/M25) surrounding the zinc coordination site bind the hydrophobic 'Ile44' surface of Ub. Mutations in the 13TF14/M25 motif inhibit Ub binding, and naturally occurring NZF domains that lack the motif do not bind Ub. However, substitution of the 13TF14/M25 motif into the nonbinding NZF domain from RanBP2 creates Ub-binding activity, demonstrating the versatility of the NZF scaffold. Finally, NZF mutations that inhibit Ub binding by the NZF domain of Vps36/ESCRT-II also inhibit sorting of ubiquitylated proteins into the yeast vacuole. Thus, the NZF is a versatile protein recognition domain that is used to bind ubiquitylated proteins during vacuolar protein sorting, and probably many other biological processes.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1Q5W is a [[Protein complex]] structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q5W OCA].
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</div>
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<div class="pdbe-citations 1q5w" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Ubiquitin interactions of NZF zinc fingers., Alam SL, Sun J, Payne M, Welch BD, Blake BK, Davis DR, Meyer HH, Emr SD, Sundquist WI, EMBO J. 2004 Apr 7;23(7):1411-21. Epub 2004 Mar 18. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15029239 15029239]
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*[[3D structures of ubiquitin|3D structures of ubiquitin]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Protein complex]]
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Alam, S L.]]
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[[Category: Alam SL]]
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[[Category: Blake, B K.]]
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[[Category: Blake BK]]
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[[Category: Davis, D R.]]
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[[Category: Davis DR]]
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[[Category: Emr, S D.]]
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[[Category: Emr SD]]
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[[Category: Meyer, H H.]]
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[[Category: Meyer HH]]
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[[Category: Payne, M.]]
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[[Category: Payne M]]
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[[Category: Sun, J.]]
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[[Category: Sun J]]
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[[Category: Sundquist, W I.]]
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[[Category: Sundquist WI]]
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[[Category: Welch, B D.]]
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[[Category: Welch BD]]
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[[Category: Nzf domain]]
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[[Category: Protein-protein complex]]
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[[Category: Rubredoxin knuckle]]
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[[Category: Ubiquitin]]
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[[Category: Zinc-finger]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:54:12 2008''
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Current revision

Ubiquitin Recognition by Npl4 Zinc-Fingers

PDB ID 1q5w

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