7nvu: Difference between revisions

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA

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-'''Unreleased structure'''
-The entry 7nvu is ON HOLD  until Paper Publication
+==RNA polymerase II core pre-initiation complex with open promoter DNA==
+<StructureSection load='7nvu' size='340' side='right'caption='[[7nvu]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
+== Structural highlights ==
+<table><tr><td colspan='2'>[[7nvu]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7NVU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7NVU FirstGlance]. <br>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2.5&#8491;</td></tr>
+<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=7nvu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7nvu OCA], [https://pdbe.org/7nvu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7nvu RCSB], [https://www.ebi.ac.uk/pdbsum/7nvu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7nvu ProSAT]</span></td></tr>
+</table>
+== Function ==
+[https://www.uniprot.org/uniprot/A0A7M4DUC2_PIG A0A7M4DUC2_PIG] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates.[RuleBase:RU004279]
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+The initiation of transcription is a focal point for the regulation of gene activity during mammalian cell differentiation and development. To initiate transcription, RNA polymerase II (Pol II) assembles with general transcription factors into a pre-initiation complex (PIC) that opens promoter DNA. Previous work provided the molecular architecture of the yeast(1-9) and human(10,11) PIC and a topological model for DNA opening by the general transcription factor TFIIH(12-14). Here we report the high-resolution cryo-electron microscopy structure of PIC comprising human general factors and Sus scrofa domesticus Pol II, which is 99.9% identical to human Pol II. We determine the structures of PIC with closed and opened promoter DNA at 2.5-2.8 A resolution, and resolve the structure of TFIIH at 2.9-4.0 A resolution. We capture the TFIIH translocase XPB in the pre- and post-translocation states, and show that XPB induces and propagates a DNA twist to initiate the opening of DNA approximately 30 base pairs downstream of the TATA box. We also provide evidence that DNA opening occurs in two steps and leads to the detachment of TFIIH from the core PIC, which may stop DNA twisting and enable RNA chain initiation.
-Authors:
+Structures of mammalian RNA polymerase II pre-initiation complexes.,Aibara S, Schilbach S, Cramer P Nature. 2021 Jun;594(7861):124-128. doi: 10.1038/s41586-021-03554-8. Epub 2021 , Apr 26. PMID:33902107<ref>PMID:33902107</ref>
-Description:
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-[[Category: Unreleased Structures]]
+</div>
+<div class="pdbe-citations 7nvu" style="background-color:#fffaf0;"></div>
+==See Also==
+*[[Helicase 3D structures|Helicase 3D structures]]
+*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
+*[[Transcription initiation factors 3D structures|Transcription initiation factors 3D structures]]
+== References ==
+<references/>
+__TOC__
+</StructureSection>
+[[Category: Large Structures]]
+[[Category: Sus scrofa]]
+[[Category: Aibara S]]
+[[Category: Cramer P]]
+[[Category: Schilbach S]]