2o20

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(New page: 200px<br /><applet load="2o20" size="350" color="white" frame="true" align="right" spinBox="true" caption="2o20, resolution 1.90&Aring;" /> '''Crystal structure of...)
Current revision (10:28, 30 August 2023) (edit) (undo)
 
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[[Image:2o20.gif|left|200px]]<br /><applet load="2o20" size="350" color="white" frame="true" align="right" spinBox="true"
 
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caption="2o20, resolution 1.90&Aring;" />
 
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'''Crystal structure of transcription regulator CcpA of Lactococcus lactis'''<br />
 
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==About this Structure==
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==Crystal structure of transcription regulator CcpA of Lactococcus lactis==
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2O20 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Lactococcus_lactis Lactococcus lactis] with <scene name='pdbligand=SO4:'>SO4</scene> and <scene name='pdbligand=CL:'>CL</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2O20 OCA].
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<StructureSection load='2o20' size='340' side='right'caption='[[2o20]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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[[Category: Lactococcus lactis]]
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== Structural highlights ==
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[[Category: Single protein]]
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<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>
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[[Category: Alings, C.]]
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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]] 1.9&#8491;</td></tr>
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[[Category: Bardowski, J.]]
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<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>
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[[Category: Biesiadka, J.]]
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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=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>
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[[Category: Chieduch, A.]]
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</table>
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[[Category: Kowalczyk, M.]]
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== Function ==
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[[Category: Loll, B.]]
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[https://www.uniprot.org/uniprot/Q9CF33_LACLA Q9CF33_LACLA]
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[[Category: Saenger, W.]]
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== Evolutionary Conservation ==
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[[Category: CL]]
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[[Image:Consurf_key_small.gif|200px|right]]
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[[Category: SO4]]
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Check<jmol>
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[[Category: ccpa]]
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<jmolCheckbox>
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[[Category: helix-turn-helix]]
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/o2/2o20_consurf.spt"</scriptWhenChecked>
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[[Category: transcriptional regulator]]
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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=2o20 ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Catabolite 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.
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jan 29 21:03:39 2008''
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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<ref>PMID:17372346</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 2o20" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Catabolite control protein 3D structures|Catabolite control protein 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: Lactococcus lactis]]
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[[Category: Large Structures]]
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[[Category: Alings C]]
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[[Category: Bardowski J]]
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[[Category: Biesiadka J]]
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[[Category: Chieduch A]]
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[[Category: Kowalczyk M]]
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[[Category: Loll B]]
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[[Category: Saenger W]]

Current revision

Crystal structure of transcription regulator CcpA of Lactococcus lactis

PDB ID 2o20

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