View source for 4lk1


==Crystal Structure Analysis of the E.coli holoenzyme==
<StructureSection load='4lk1' size='340' side='right'caption='[[4lk1]], [[Resolution|resolution]] 3.84&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4lk1]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_BW2952 Escherichia coli BW2952], [https://en.wikipedia.org/wiki/Escherichia_coli_DH1 Escherichia coli DH1] and [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=4LK1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4LK1 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]] 3.8369&#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=4lk1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4lk1 OCA], [https://pdbe.org/4lk1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4lk1 RCSB], [https://www.ebi.ac.uk/pdbsum/4lk1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4lk1 ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/RPOD_ECOLI RPOD_ECOLI] Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This is the primary sigma factor of this bacterium.

==See Also==
*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
*[[Sigma factor 3D structures|Sigma factor 3D structures]]
__TOC__
</StructureSection>
[[Category: Escherichia coli BW2952]]
[[Category: Escherichia coli DH1]]
[[Category: Escherichia coli K-12]]
[[Category: Large Structures]]
[[Category: Bae B]]
[[Category: Darst SA]]