1lb2

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Current revision (09:11, 16 August 2023) (edit) (undo)
 
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<StructureSection load='1lb2' size='340' side='right'caption='[[1lb2]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
<StructureSection load='1lb2' size='340' side='right'caption='[[1lb2]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1lb2]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. 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=1LB2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LB2 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1lb2]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. 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=1LB2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1LB2 FirstGlance]. <br>
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</td></tr><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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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.1&#8491;</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/DNA-directed_RNA_polymerase DNA-directed RNA polymerase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.6 2.7.7.6] </span></td></tr>
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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>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1lb2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lb2 OCA], [https://pdbe.org/1lb2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1lb2 RCSB], [https://www.ebi.ac.uk/pdbsum/1lb2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1lb2 ProSAT]</span></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=1lb2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1lb2 OCA], [https://pdbe.org/1lb2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1lb2 RCSB], [https://www.ebi.ac.uk/pdbsum/1lb2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1lb2 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/RPOA_ECOLI RPOA_ECOLI]] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. This subunit plays an important role in subunit assembly since its dimerization is the first step in the sequential assembly of subunits to form the holoenzyme.[HAMAP-Rule:MF_00059] [[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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[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>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Bacillus coli migula 1895]]
 
[[Category: Catabolite Activator Protein]]
[[Category: Catabolite Activator Protein]]
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[[Category: DNA-directed RNA polymerase]]
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[[Category: Escherichia coli]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: RCSB PDB Molecule of the Month]]
[[Category: RCSB PDB Molecule of the Month]]
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[[Category: Benoff, B]]
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[[Category: Benoff B]]
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[[Category: Berman, H M]]
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[[Category: Berman HM]]
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[[Category: Blatter, E]]
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[[Category: Blatter E]]
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[[Category: Ebright, R H]]
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[[Category: Ebright RH]]
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[[Category: Ebright, Y W]]
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[[Category: Ebright YW]]
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[[Category: Lawson, C L]]
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[[Category: Lawson CL]]
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[[Category: Liu, J]]
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[[Category: Liu J]]
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[[Category: Parkinson, G]]
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[[Category: Parkinson G]]
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[[Category: Yang, H]]
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[[Category: Yang H]]
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[[Category: Gene regulation-dna complex]]
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[[Category: Gene-regulatory]]
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[[Category: Protein-dna complex]]
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Current revision

Structure of the E. coli alpha C-terminal domain of RNA polymerase in complex with CAP and DNA

PDB ID 1lb2

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