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2cgp

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[[Image:2cgp.png|left|200px]]
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==CATABOLITE GENE ACTIVATOR PROTEIN/DNA COMPLEX, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE==
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<StructureSection load='2cgp' size='340' side='right' caption='[[2cgp]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2cgp]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CGP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2CGP FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CMP:ADENOSINE-3,5-CYCLIC-MONOPHOSPHATE'>CMP</scene><br>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2cgp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cgp OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2cgp RCSB], [http://www.ebi.ac.uk/pdbsum/2cgp PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cg/2cgp_consurf.spt"</scriptWhenChecked>
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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/chain_selection.php?pdb_ID=2ata 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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The 2.2 A resolution crystal structure of the Escherichia coli catabolite gene activator protein (CAP) complexed with cAMP and a 46-bp DNA fragment reveals a second cAMP molecule bound to each protein monomer. The second cAMP is in the syn conformation and is located on the DNA binding domain interacting with the helix-turn-helix, a beta-hairpin from the regulatory domain and the DNA (via water molecules). The presence of this second cAMP site resolves the apparent discrepancy between the NMR and x-ray data on the conformation of cAMP, and explains the cAMP concentration-dependent behaviors of the protein. In addition, this site's close proximity to mutations affecting transcriptional activation and its water-mediated interactions with a DNA recognition residue (E181) and DNA raise the possibility that this site has biological relevance.
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{{STRUCTURE_2cgp| PDB=2cgp | SCENE= }}
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The structure of a CAP-DNA complex having two cAMP molecules bound to each monomer.,Passner JM, Steitz TA Proc Natl Acad Sci U S A. 1997 Apr 1;94(7):2843-7. PMID:9096308<ref>PMID:9096308</ref>
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===CATABOLITE GENE ACTIVATOR PROTEIN/DNA COMPLEX, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE===
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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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{{ABSTRACT_PUBMED_9096308}}
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==See Also==
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*[[Catabolite gene activator protein|Catabolite gene activator protein]]
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==About this Structure==
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== References ==
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[[2cgp]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CGP OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:009096308</ref><ref group="xtra">PMID:015048824</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Passner, J M.]]
[[Category: Passner, J M.]]

Revision as of 01:46, 30 September 2014

CATABOLITE GENE ACTIVATOR PROTEIN/DNA COMPLEX, ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE

2cgp, resolution 2.20Å

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