1cgp

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[[Image:1cgp.gif|left|200px]]
 
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{{Structure
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==CATABOLITE GENE ACTIVATOR PROTEIN (CAP)/DNA COMPLEX + ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE==
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|PDB= 1cgp |SIZE=350|CAPTION= <scene name='initialview01'>1cgp</scene>, resolution 3.000&Aring;
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<StructureSection load='1cgp' size='340' side='right'caption='[[1cgp]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CMP:ADENOSINE-3&#39;,5&#39;-CYCLIC-MONOPHOSPHATE'>CMP</scene>, <scene name='pdbligand=DA:2&#39;-DEOXYADENOSINE-5&#39;-MONOPHOSPHATE'>DA</scene>, <scene name='pdbligand=DC:2&#39;-DEOXYCYTIDINE-5&#39;-MONOPHOSPHATE'>DC</scene>, <scene name='pdbligand=DG:2&#39;-DEOXYGUANOSINE-5&#39;-MONOPHOSPHATE'>DG</scene>, <scene name='pdbligand=DT:THYMIDINE-5&#39;-MONOPHOSPHATE'>DT</scene>
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<table><tr><td colspan='2'>[[1cgp]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. The December 2003 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Catabolite Activator Protein'' by David S. Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2003_12 10.2210/rcsb_pdb/mom_2003_12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CGP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CGP FirstGlance]. <br>
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|ACTIVITY=
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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]] 3&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CMP:ADENOSINE-3,5-CYCLIC-MONOPHOSPHATE'>CMP</scene></td></tr>
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|DOMAIN=
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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=1cgp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cgp OCA], [https://pdbe.org/1cgp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1cgp RCSB], [https://www.ebi.ac.uk/pdbsum/1cgp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1cgp ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1cgp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1cgp OCA], [http://www.ebi.ac.uk/pdbsum/1cgp PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1cgp RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/CRP_ECOLI CRP_ECOLI] This protein complexes with cyclic AMP and binds to specific DNA sites near the promoter to regulate the transcription of several catabolite-sensitive operons. The protein induces a severe bend in the DNA. Acts as a negative regulator of its own synthesis as well as for adenylate cyclase (cyaA), which generates cAMP.<ref>PMID:2982847</ref>
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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/1cgp_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/main_output.php?pdb_ID=1cgp ConSurf].
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<div style="clear:both"></div>
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'''CATABOLITE GENE ACTIVATOR PROTEIN (CAP)/DNA COMPLEX + ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE'''
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==See Also==
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*[[Catabolite gene activator protein 3D structures|Catabolite gene activator protein 3D structures]]
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== References ==
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==Overview==
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<references/>
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The 3 angstrom resolution crystal structure of the Escherichia coli catabolite gene activator protein (CAP) complexed with a 30-base pair DNA sequence shows that the DNA is bent by 90 degrees. This bend results almost entirely from two 40 degrees kinks that occur between TG/CA base pairs at positions 5 and 6 on each side of the dyad axis of the complex. DNA sequence discrimination by CAP derives both from sequence-dependent distortion of the DNA helix and from direct hydrogen-bonding interactions between three protein side chains and the exposed edges of three base pairs in the major groove of the DNA. The structure of this transcription factor--DNA complex provides insights into possible mechanisms of transcription activation.
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__TOC__
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</StructureSection>
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==About this Structure==
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1CGP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. The following page contains interesting information on the relation of 1CGP with [[http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/pdb48_1.html Catabolite Activator Protein]]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CGP OCA].
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==Reference==
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Crystal structure of a CAP-DNA complex: the DNA is bent by 90 degrees., Schultz SC, Shields GC, Steitz TA, Science. 1991 Aug 30;253(5023):1001-7. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1653449 1653449]
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[[Category: Catabolite Activator Protein]]
[[Category: Catabolite Activator Protein]]
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Schultz, S C.]]
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[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Shields, G C]]
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[[Category: Synthetic construct]]
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[[Category: Steitz, T A.]]
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[[Category: Schultz SC]]
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[[Category: double helix]]
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[[Category: Shields GC]]
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[[Category: protein-dna complex]]
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[[Category: Steitz TA]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:21:31 2008''
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Current revision

CATABOLITE GENE ACTIVATOR PROTEIN (CAP)/DNA COMPLEX + ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE

PDB ID 1cgp

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