3o8z

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<StructureSection load='3o8z' size='340' side='right'caption='[[3o8z]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
<StructureSection load='3o8z' size='340' side='right'caption='[[3o8z]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3o8z]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3O8Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3O8Z FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3o8z]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3O8Z OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3O8Z FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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]] 2.15&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3oak|3oak]]</div></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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">IWS1, SPN1, YPR133C ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</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=3o8z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3o8z OCA], [https://pdbe.org/3o8z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3o8z RCSB], [https://www.ebi.ac.uk/pdbsum/3o8z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3o8z ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3o8z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3o8z OCA], [https://pdbe.org/3o8z PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3o8z RCSB], [https://www.ebi.ac.uk/pdbsum/3o8z PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3o8z ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/IWS1_YEAST IWS1_YEAST]] Transcription factor involved in RNA polymerase II transcription regulation. May function in both SPT15/TBP post-recruitment and recruitment steps of transcription.<ref>PMID:12524336</ref> <ref>PMID:12556496</ref>
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[https://www.uniprot.org/uniprot/IWS1_YEAST IWS1_YEAST] Transcription factor involved in RNA polymerase II transcription regulation. May function in both SPT15/TBP post-recruitment and recruitment steps of transcription.<ref>PMID:12524336</ref> <ref>PMID:12556496</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Eukaryotic transcription and mRNA processing depend upon the coordinated interactions of many proteins, including Spn1 and Spt6, which are conserved across eukaryotes, are essential for viability, and associate with each other in some of their biologically important contexts. Here we report crystal structures of the Spn1 core alone and in complex with the binding determinant of Spt6. Mutating interface residues greatly diminishes binding in vitro and causes strong phenotypes in vivo, including a defect in maintaining repressive chromatin. Overexpression of Spn1 partially suppresses the defects caused by an spt6 mutation affecting the Spn1 interface, indicating that the Spn1-Spt6 interaction is important for managing chromatin. Spt6 binds nucleosomes directly in vitro, and this interaction is blocked by Spn1, providing further mechanistic insight into the function of the interaction. These data thereby reveal the structural and biochemical bases of molecular interactions that function in the maintenance of chromatin structure.
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Structure and biological importance of the Spn1-Spt6 interaction, and its regulatory role in nucleosome binding.,McDonald SM, Close D, Xin H, Formosa T, Hill CP Mol Cell. 2010 Dec 10;40(5):725-35. Epub 2010 Nov 25. PMID:21094070<ref>PMID:21094070</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 3o8z" style="background-color:#fffaf0;"></div>
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== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Atcc 18824]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Close, D]]
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[[Category: Saccharomyces cerevisiae]]
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[[Category: Hill, C P]]
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[[Category: Close D]]
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[[Category: McDonald, S M]]
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[[Category: Hill CP]]
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[[Category: Nucleus]]
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[[Category: McDonald SM]]
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[[Category: Transcription]]
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[[Category: Transcription factor]]
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Current revision

Crystal structure of Spn1 (Iws1) core domain

PDB ID 3o8z

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