4ki2

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{{STRUCTURE_4ki2| PDB=4ki2 | SCENE= }}
 
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===Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA===
 
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==Function==
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==Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA==
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[[http://www.uniprot.org/uniprot/Q9EZJ8_THEAQ Q9EZJ8_THEAQ]] Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released (By similarity).[RuleBase:RU000715]
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<StructureSection load='4ki2' size='340' side='right'caption='[[4ki2]], [[Resolution|resolution]] 3.30&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4ki2]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4gor 4gor]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KI2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4KI2 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">X-ray diffraction, [[Resolution|Resolution]] 3.3&#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=K:POTASSIUM+ION'>K</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=4ki2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ki2 OCA], [https://pdbe.org/4ki2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4ki2 RCSB], [https://www.ebi.ac.uk/pdbsum/4ki2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4ki2 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/SIGA_THEAQ SIGA_THEAQ] Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is the primary sigma factor during exponential growth.[HAMAP-Rule:MF_00963]<ref>PMID:11114902</ref> <ref>PMID:11931761</ref>
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==About this Structure==
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==See Also==
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[[4ki2]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Thermus_aquaticus Thermus aquaticus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4gor 4gor]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4KI2 OCA].
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*[[Sigma factor 3D structures|Sigma factor 3D structures]]
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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: Large Structures]]
[[Category: Thermus aquaticus]]
[[Category: Thermus aquaticus]]
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[[Category: Feklistov, A.]]
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[[Category: Darst SA]]
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[[Category: S A., Darst.]]
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[[Category: Feklistov A]]
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[[Category: G-quadruplex]]
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[[Category: G-quartet]]
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[[Category: Promoter opening]]
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[[Category: Promoter recognition]]
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[[Category: Protein-dna binding]]
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[[Category: Ssdna]]
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[[Category: Ssdna-binding]]
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[[Category: Transcription initiation]]
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[[Category: Transcription-dna complex]]
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Current revision

Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA

PDB ID 4ki2

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