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3vd0

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==structure of p73 DNA binding domain tetramer modulates p73 transactivation==
==structure of p73 DNA binding domain tetramer modulates p73 transactivation==
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<StructureSection load='3vd0' size='340' side='right' caption='[[3vd0]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
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<StructureSection load='3vd0' size='340' side='right'caption='[[3vd0]], [[Resolution|resolution]] 2.95&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3vd0]] is a 16 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3VD0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3VD0 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3vd0]] is a 16 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=3VD0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3VD0 FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><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]] 2.95&#8491;</td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3vd1|3vd1]], [[3vd2|3vd2]]</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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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3vd0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vd0 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3vd0 RCSB], [http://www.ebi.ac.uk/pdbsum/3vd0 PDBsum]</span></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=3vd0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3vd0 OCA], [https://pdbe.org/3vd0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3vd0 RCSB], [https://www.ebi.ac.uk/pdbsum/3vd0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3vd0 ProSAT]</span></td></tr>
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<table>
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</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/P73_HUMAN P73_HUMAN] Participates in the apoptotic response to DNA damage. Isoforms containing the transactivation domain are pro-apoptotic, isoforms lacking the domain are anti-apoptotic and block the function of p53 and transactivating p73 isoforms. May be a tumor suppressor protein.<ref>PMID:11753569</ref> <ref>PMID:10203277</ref> <ref>PMID:18174154</ref>
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The transcription factor p73 triggers developmental pathways and overlaps stress-induced p53 transcriptional pathways. How p53-family response elements determine and regulate transcriptional specificity remains an unsolved problem. In this work, we have determined the first crystal structures of p73 DNA-binding domain tetramer bound to response elements with spacers of different length. The structure and function of the adaptable tetramer are determined by the distance between two half-sites. The structures with zero and one base-pair spacers show compact p73 DNA-binding domain tetramers with large tetramerization interfaces; a two base-pair spacer results in DNA unwinding and a smaller tetramerization interface, whereas a four base-pair spacer hinders tetramerization. Functionally, p73 is more sensitive to spacer length than p53, with one base-pair spacer reducing 90% of transactivation activity and longer spacers reducing transactivation to basal levels. Our results establish the quaternary structure of the p73 DNA-binding domain required as a scaffold to promote transactivation.
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Structure of p73 DNA-binding domain tetramer modulates p73 transactivation.,Ethayathulla AS, Tse PW, Monti P, Nguyen S, Inga A, Fronza G, Viadiu H Proc Natl Acad Sci U S A. 2012 Apr 2. PMID:22474346<ref>PMID:22474346</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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==See Also==
==See Also==
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</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Ethayathulla, A S]]
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[[Category: Large Structures]]
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[[Category: Nguyen, S.]]
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[[Category: Ethayathulla AS]]
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[[Category: Tse, P W.]]
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[[Category: Nguyen S]]
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[[Category: Viadiu, H.]]
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[[Category: Tse PW]]
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[[Category: Antitumor protein-dna complex]]
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[[Category: Viadiu H]]
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[[Category: Beta-immunoglobulin-like fold]]
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[[Category: Dna]]
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[[Category: Protein dna complex]]
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[[Category: Tumour suppressor]]
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Current revision

structure of p73 DNA binding domain tetramer modulates p73 transactivation

PDB ID 3vd0

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