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[[Image:2h27.png|left|200px]]


{{STRUCTURE_2h27| PDB=2h27 | SCENE= }}
==Crystal Structure of Escherichia coli SigmaE Region 4 Bound to its-35 Element DNA==
<StructureSection load='2h27' size='340' side='right'caption='[[2h27]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2h27]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_K-12 Escherichia coli K-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2H27 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2H27 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</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=2h27 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2h27 OCA], [https://pdbe.org/2h27 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2h27 RCSB], [https://www.ebi.ac.uk/pdbsum/2h27 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2h27 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/RPOE_ECOLI RPOE_ECOLI] Sigma factors are initiation factors that promote the attachment of RNA polymerase (RNAP) to specific initiation sites and are then released. Extracytoplasmic function (ECF) sigma-E controls the envelope stress response, responding to periplasmic protein stress, increased levels of periplasmic lipopolysaccharide (LPS) as well as heat shock and oxidative stress; it controls protein processing in the extracytoplasmic compartment. The 90 member regulon consists of the genes necessary for the synthesis and maintenance of both proteins and LPS of the outer membrane.<ref>PMID:7889935</ref> <ref>PMID:7889934</ref> <ref>PMID:2691330</ref> <ref>PMID:9159522</ref> <ref>PMID:9159523</ref> <ref>PMID:16336047</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/h2/2h27_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2h27 ConSurf].
<div style="clear:both"></div>


===Crystal Structure of Escherichia coli SigmaE Region 4 Bound to its-35 Element DNA===
==See Also==
 
*[[Sigma factor 3D structures|Sigma factor 3D structures]]
{{ABSTRACT_PUBMED_16903784}}
== References ==
 
<references/>
==About this Structure==
__TOC__
[[2h27]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2H27 OCA].
</StructureSection>
 
[[Category: Escherichia coli K-12]]
==Reference==
[[Category: Large Structures]]
<ref group="xtra">PMID:016903784</ref><references group="xtra"/>
[[Category: Darst SA]]
[[Category: Escherichia coli k-12]]
[[Category: Lane WJ]]
[[Category: Darst, S A.]]
[[Category: Lane, W J.]]
[[Category: Double helix]]
[[Category: Helix-turn-helix]]
[[Category: Protein-dna complex]]
[[Category: Transferase-dna complex]]
Retrieved from "https://proteopedia.org/2h27"