2o20: Difference between revisions
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==Crystal structure of transcription regulator CcpA of Lactococcus lactis== | ==Crystal structure of transcription regulator CcpA of Lactococcus lactis== | ||
<StructureSection load='2o20' size='340' side='right' caption='[[2o20]], [[Resolution|resolution]] 1.90Å' scene=''> | <StructureSection load='2o20' size='340' side='right'caption='[[2o20]], [[Resolution|resolution]] 1.90Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2o20]] is a 8 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2o20]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Lactococcus_lactis Lactococcus lactis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O20 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2O20 FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</td></tr> | ||
<tr id=' | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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=2o20 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2o20 OCA], [https://pdbe.org/2o20 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2o20 RCSB], [https://www.ebi.ac.uk/pdbsum/2o20 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2o20 ProSAT]</span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | |||
</table> | </table> | ||
== Function == | |||
[https://www.uniprot.org/uniprot/Q9CF33_LACLA Q9CF33_LACLA] | |||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/o2/2o20_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/o2/2o20_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
| Line 29: | Line 31: | ||
==See Also== | ==See Also== | ||
*[[Catabolite control protein|Catabolite control protein]] | *[[Catabolite control protein 3D structures|Catabolite control protein 3D structures]] | ||
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Lactococcus lactis]] | ||
[[Category: Alings | [[Category: Large Structures]] | ||
[[Category: Bardowski | [[Category: Alings C]] | ||
[[Category: Biesiadka | [[Category: Bardowski J]] | ||
[[Category: Chieduch | [[Category: Biesiadka J]] | ||
[[Category: Kowalczyk | [[Category: Chieduch A]] | ||
[[Category: Loll | [[Category: Kowalczyk M]] | ||
[[Category: Saenger | [[Category: Loll B]] | ||
[[Category: Saenger W]] | |||
Latest revision as of 13:28, 30 August 2023
Crystal structure of transcription regulator CcpA of Lactococcus lactisCrystal structure of transcription regulator CcpA of Lactococcus lactis
Structural highlights
FunctionEvolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedCatabolite control protein A (CcpA) functions as master transcriptional regulator of carbon catabolism in Firmicutes. It belongs to the family of bacterial repressor/regulator proteins. Here, the crystal structure of the 76 kDa homodimeric CcpA protein from Lactococcus lactis subsp. lactis IL1403 is presented at 1.9 A resolution in the absence of cognate DNA. The phases were derived by molecular replacement and the structure was refined to crystallographic R and R(free) factors of 0.177 and 0.211, respectively. The presence of a sulfate molecule in the direct vicinity of a putative effector-binding site in the monomer allowed the derivation of a model for the possible binding of small organic effector molecules. Structure of the transcription regulator CcpA from Lactococcus lactis.,Loll B, Kowalczyk M, Alings C, Chieduch A, Bardowski J, Saenger W, Biesiadka J Acta Crystallogr D Biol Crystallogr. 2007 Apr;63(Pt 4):431-6. Epub 2007, Mar 16. PMID:17372346[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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