4giz

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[[Image:4giz.jpg|left|200px]]
 
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{{STRUCTURE_4giz| PDB=4giz | SCENE= }}
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==Crystal structure of full-length human papillomavirus oncoprotein E6 in complex with LXXLL peptide of ubiquitin ligase E6AP at 2.55 A resolution==
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<StructureSection load='4giz' size='340' side='right'caption='[[4giz]], [[Resolution|resolution]] 2.55&Aring;' scene=''>
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===Crystal structure of full-length human papillomavirus oncoprotein E6 in complex with LXXLL peptide of ubiquitin ligase E6AP at 2.55 A resolution===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4giz]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12], [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Human_papillomavirus_type_16 Human papillomavirus type 16]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GIZ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4GIZ 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]] 2.55&#8491;</td></tr>
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==About this Structure==
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GLC:ALPHA-D-GLUCOSE'>GLC</scene>, <scene name='pdbligand=PRD_900035:alpha-maltohexaose'>PRD_900035</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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[[4giz]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Human_papillomavirus_type_16 Human papillomavirus type 16]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4GIZ OCA].
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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=4giz FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4giz OCA], [https://pdbe.org/4giz PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4giz RCSB], [https://www.ebi.ac.uk/pdbsum/4giz PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4giz ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/UBE3A_HUMAN UBE3A_HUMAN] Defects in UBE3A are a cause of Angelman syndrome (AS) [MIM:[https://omim.org/entry/105830 105830]; also known as 'happy puppet syndrome'. AS is characterized by features of severe motor and intellectual retardation, microcephaly, ataxia, frequent jerky limb movements and flapping of the arms and hands, hypotonia, hyperactivity, hypopigmentation, seizures, absence of speech, frequent smiling and episodes of paroxysmal laughter, and an unusual facies characterized by macrostomia, a large mandible and open-mouthed expression, a great propensity for protruding the tongue ('tongue thrusting'), and an occipital groove.<ref>PMID:10508479</ref> <ref>PMID:9585605</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/MALE_ECOLI MALE_ECOLI] Involved in the high-affinity maltose membrane transport system MalEFGK. Initial receptor for the active transport of and chemotaxis toward maltooligosaccharides.[https://www.uniprot.org/uniprot/UBE3A_HUMAN UBE3A_HUMAN] E3 ubiquitin-protein ligase which accepts ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and transfers it to its substrates. Several substrates have been identified including the RAD23A and RAD23B, MCM7 (which is involved in DNA replication), annexin A1, the PML tumor suppressor, and the cell cycle regulator CDKN1B. Catalyzes the high-risk human papilloma virus E6-mediated ubiquitination of p53/TP53, contributing to the neoplastic progression of cells infected by these viruses. Additionally, may function as a cellular quality control ubiquitin ligase by helping the degradation of the cytoplasmic misfolded proteins. Finally, UBE3A also promotes its own degradation in vivo.<ref>PMID:10373495</ref> <ref>PMID:19325566</ref> <ref>PMID:19233847</ref> <ref>PMID:19204938</ref> <ref>PMID:19591933</ref> <ref>PMID:22645313</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: Escherichia coli K-12]]
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[[Category: Homo sapiens]]
[[Category: Human papillomavirus type 16]]
[[Category: Human papillomavirus type 16]]
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[[Category: Cavarelli, J.]]
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[[Category: Large Structures]]
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[[Category: Charbonnier, S.]]
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[[Category: Cavarelli J]]
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[[Category: Cura, V.]]
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[[Category: Charbonnier S]]
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[[Category: McEwen, A G.]]
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[[Category: Cura V]]
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[[Category: Pol, S Vande.]]
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[[Category: McEwen AG]]
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[[Category: Poussin, P.]]
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[[Category: Poussin P]]
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[[Category: Trave, G.]]
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[[Category: Trave G]]
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[[Category: Zanier, K.]]
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[[Category: Vande Pol S]]
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[[Category: Viral protein]]
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[[Category: Zanier K]]

Current revision

Crystal structure of full-length human papillomavirus oncoprotein E6 in complex with LXXLL peptide of ubiquitin ligase E6AP at 2.55 A resolution

PDB ID 4giz

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