7khe

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'''Unreleased structure'''
 
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The entry 7khe is ON HOLD
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==Escherichia coli RNA polymerase and rrnBP1 promoter pre-open complex with DksA/ppGpp==
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<StructureSection load='7khe' size='340' side='right'caption='[[7khe]], [[Resolution|resolution]] 3.58&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[7khe]] is a 9 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=6wrg 6wrg]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7KHE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7KHE FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.58&#8491;</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=1N7:CHAPSO'>1N7</scene>, <scene name='pdbligand=G4P:GUANOSINE-5,3-TETRAPHOSPHATE'>G4P</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=7khe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7khe OCA], [https://pdbe.org/7khe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7khe RCSB], [https://www.ebi.ac.uk/pdbsum/7khe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7khe ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DKSA_ECOLI DKSA_ECOLI] Transcription factor that acts by binding directly to the RNA polymerase (RNAP). Required for negative regulation of rRNA expression and positive regulation of several amino acid biosynthesis promoters. Also required for regulation of fis expression. Binding to RNAP disrupts interaction of RNAP with DNA, inhibits formation of initiation complexes, and amplifies effects of ppGpp and the initiating NTP on rRNA transcription. Inhibits transcript elongation, exonucleolytic RNA cleavage and pyrophosphorolysis, and increases intrinsic termination. Also involved, with RecN, in repair of DNA double-strand breaks.<ref>PMID:15294157</ref> <ref>PMID:15948952</ref> <ref>PMID:16885445</ref> <ref>PMID:22210857</ref> <ref>PMID:15294156</ref>
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Authors: Shin, Y., Qayyum, M.Z., Murakami, K.S.
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==See Also==
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*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
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Description: Escherichia coli RNA polymerase and rrnBP1 promoter pre-open complex with DksA/ppGpp
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*[[Sigma factor 3D structures|Sigma factor 3D structures]]
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[[Category: Unreleased Structures]]
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== References ==
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[[Category: Qayyum, M.Z]]
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<references/>
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[[Category: Shin, Y]]
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__TOC__
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[[Category: Murakami, K.S]]
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</StructureSection>
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[[Category: Escherichia coli K-12]]
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[[Category: Large Structures]]
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[[Category: Murakami KS]]
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[[Category: Qayyum MZ]]
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[[Category: Shin Y]]

Current revision

Escherichia coli RNA polymerase and rrnBP1 promoter pre-open complex with DksA/ppGpp

PDB ID 7khe

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