2xbb

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[[Image:2xbb.png|left|200px]]
 
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==Nedd4 HECT:Ub complex==
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The line below this paragraph, containing "STRUCTURE_2xbb", creates the "Structure Box" on the page.
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<StructureSection load='2xbb' size='340' side='right'caption='[[2xbb]], [[Resolution|resolution]] 2.68&Aring;' scene=''>
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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'>[[2xbb]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus] and [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XBB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2XBB 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">X-ray diffraction, [[Resolution|Resolution]] 2.68&#8491;</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></td></tr>
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{{STRUCTURE_2xbb| PDB=2xbb | 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=2xbb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xbb OCA], [https://pdbe.org/2xbb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2xbb RCSB], [https://www.ebi.ac.uk/pdbsum/2xbb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2xbb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/NEDD4_HUMAN NEDD4_HUMAN] E3 ubiquitin-protein ligase which accepts ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Involved in the pathway leading to the degradation of VEGFR-2/KDFR, independently of its ubiquitin-ligase activity. Monoubiquitinates IGF1R at multiple sites, thus leading to receptor internalization and degradation in lysosomes. Ubiquitinates FGFR1, leading to receptor internalization and degradation in lysosomes. According to PubMed:18562292 the direct link between NEDD4 and PTEN regulation through polyubiquitination described in PubMed:17218260 is questionable. Involved in ubiquitination of ERBB4 intracellular domain E4ICD. Involved in the budding of many viruses. Part of a signaling complex composed of NEDD4, RAP2A and TNIK which regulates neuronal dendrite extension and arborization during development. Ubiquitinates TNK2 and regulates EGF-induced degradation of EGFR and TNF2.<ref>PMID:17218260</ref> <ref>PMID:18562292</ref> <ref>PMID:20086093</ref> <ref>PMID:21765395</ref> <ref>PMID:21399620</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Several mechanisms have been proposed for the synthesis of substrate-linked ubiquitin chains. HECT ligases directly catalyse protein ubiquitination and have been found to non-covalently interact with ubiquitin. We report crystal structures of the Nedd4 HECT domain, alone and in complex with ubiquitin, which show a new binding mode involving two surfaces on ubiquitin and both subdomains of the HECT N-lobe. The structures suggest a model for HECT-to-substrate ubiquitin transfer, in which the growing chain on the substrate is kept close to the catalytic cysteine to promote processivity. Mutational analysis highlights differences between the processes of substrate polyubiquitination and self-ubiquitination.
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===NEDD4 HECT:UB COMPLEX===
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Structure of the HECT:ubiquitin complex and its role in ubiquitin chain elongation.,Maspero E, Mari S, Valentini E, Musacchio A, Fish A, Pasqualato S, Polo S EMBO Rep. 2011 Mar 11. PMID:21399620<ref>PMID:21399620</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 2xbb" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_21399620}}, adds the Publication Abstract to the page
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*[[Ubiquitin protein ligase 3D structures|Ubiquitin protein ligase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 21399620 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_21399620}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[2xbb]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XBB OCA].
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==Reference==
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<ref group="xtra">PMID:21399620</ref><references group="xtra"/>
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[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Cecatiello, V.]]
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[[Category: Large Structures]]
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[[Category: Maspero, E.]]
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[[Category: Cecatiello V]]
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[[Category: Musacchio, A.]]
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[[Category: Maspero E]]
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[[Category: Pasqualato, S.]]
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[[Category: Musacchio A]]
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[[Category: Polo, S.]]
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[[Category: Pasqualato S]]
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[[Category: Polo S]]

Current revision

Nedd4 HECT:Ub complex

PDB ID 2xbb

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