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3o27

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==The crystal structure of C68 from the hybrid virus-plasmid pSSVx==
==The crystal structure of C68 from the hybrid virus-plasmid pSSVx==
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<StructureSection load='3o27' size='340' side='right' caption='[[3o27]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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<StructureSection load='3o27' size='340' side='right'caption='[[3o27]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3o27]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_islandicus Sulfolobus islandicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3O27 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3O27 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3o27]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Sulfolobus_islandicus Sulfolobus islandicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3O27 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3O27 FirstGlance]. <br>
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</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">orfc68 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=43080 Sulfolobus islandicus])</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]] 2.8&#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=3o27 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3o27 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3o27 RCSB], [http://www.ebi.ac.uk/pdbsum/3o27 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=3o27 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3o27 OCA], [https://pdbe.org/3o27 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3o27 RCSB], [https://www.ebi.ac.uk/pdbsum/3o27 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3o27 ProSAT]</span></td></tr>
</table>
</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/Q9P9J8_SULIS Q9P9J8_SULIS]
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The genetic element pSSVx from Sulfolobus islandicus, strain REY15/4, is a hybrid between a plasmid and a fusellovirus. This plasmid/virus hybrid infects several species of the hyperthermophilic, acidophilic crenarchaeon Sulfolobus. The open reading frame c68 of pSSVx encodes for a 7.7 kDa protein that does not show significant sequence homology to any protein with known 3D structure. EMSA experiments, DNA footprinting and CD analyses indicate that recombinant C68, purified from Escherichia coli, binds to two different operator sites, that are located upstream of its own promoter. The three-dimensional structure, solved by a single wavelength anomalous diffraction experiment on a selenomethionine derivative, shows that the protein assumes a swapped-hairpin fold, which is a distinctive fold associated with a family of prokaryotic transcription factors, such as AbrB from Bacillus subtilis. Nevertheless, C68 constitutes a novel representative of this family because it shows several peculiar structural and functional features.
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c68 from the Sulfolobus islandicus plasmid/virus pSSVx is a novel member of the AbrB-like transcription factor family.,Contursi P, D'Ambrosio K, Pirone L, Pedone E, Aucelli T, She Q, De Simone G, Bartolucci S Biochem J. 2011 Jan 5. PMID:21208189<ref>PMID:21208189</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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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Large Structures]]
[[Category: Sulfolobus islandicus]]
[[Category: Sulfolobus islandicus]]
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[[Category: Ambrosio, K D]]
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[[Category: D'Ambrosio K]]
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[[Category: Simone, G De]]
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[[Category: De Simone G]]
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[[Category: Dna binding protein]]
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[[Category: Swapped-hairpin fold]]
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[[Category: Transcription factor]]
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Current revision

The crystal structure of C68 from the hybrid virus-plasmid pSSVx

PDB ID 3o27

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