2mlg

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{{STRUCTURE_2mlg| PDB=2mlg | SCENE= }}
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==Stf76 from the Sulfolobus islandicus plasmid-virus pSSVx==
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===Stf76 from the Sulfolobus islandicus plasmid-virus pSSVx===
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<StructureSection load='2mlg' size='340' side='right' caption='[[2mlg]], [[NMR_Ensembles_of_Models | 20 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2mlg]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Fuselloviridae Fuselloviridae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2MLG OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2MLG FirstGlance]. <br>
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</td></tr><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=2mlg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2mlg OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2mlg RCSB], [http://www.ebi.ac.uk/pdbsum/2mlg PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The hybrid plasmid-virus pSSVx from Sulfolobus islandicus presents an open reading frame encoding a 76 amino acid protein, namely Stf76, that does not show significant sequence homology with any protein with known 3D structure. The recombinant protein recognizes specifically two DNA-binding sites located in its own promoter, thus suggesting an auto-regulated role of its expression. Circular dichroism, spectrofluorimetric, light scattering and isothermal titration calorimetry experiments indicated a 2:1 molar ratio (protein:DNA) upon binding to the DNA target containing a single site. Furthermore, the solution structure of Stf76, determined by nuclear magnetic resonance (NMR) using chemical shift Rosetta software, has shown that the protein assumes a winged helix-turn-helix fold. NMR chemical shift perturbation analysis has been performed for the identification of the residues responsible for DNA interaction. In addition, a model of the Stf76-DNA complex has been built using as template a structurally related homolog.
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==About this Structure==
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Structural and functional studies of Stf76 from the Sulfolobus islandicus plasmid-virus pSSVx: a novel peculiar member of the winged helix-turn-helix transcription factor family.,Contursi P, Farina B, Pirone L, Fusco S, Russo L, Bartolucci S, Fattorusso R, Pedone E Nucleic Acids Res. 2014 May 1;42(9):5993-6011. doi: 10.1093/nar/gku215. Epub 2014, Mar 25. PMID:24682827<ref>PMID:24682827</ref>
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[[2mlg]] is a 1 chain structure. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2MLG OCA].
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From MEDLINE®/PubMed®, 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__
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</StructureSection>
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[[Category: Fuselloviridae]]
[[Category: Farina, B.]]
[[Category: Farina, B.]]
[[Category: Fattorusso, R.]]
[[Category: Fattorusso, R.]]

Revision as of 04:38, 4 June 2014

Stf76 from the Sulfolobus islandicus plasmid-virus pSSVx

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