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3ez2

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Current revision

Partition protein-ADP complex

Structural highlights

3ez2 is a 2 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 2.05Å
Ligands:	, , ,
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

PARA_ECOLX This protein is essential for plasmid partition. It ensures the proper distribution of newly replicated plasmids to daughter cells during cell division. ParA is trans-acting.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The accurate segregation of DNA is essential for the faithful inheritance of genetic information. Segregation of the prototypical P1 plasmid par system requires two proteins, ParA and ParB, and a centromere. When bound to ATP, ParA mediates segregation by interacting with centromere-bound ParB, but when bound to ADP, ParA fulfils a different function: DNA-binding transcription autoregulation. The structure of ParA is unknown as is how distinct nucleotides arbitrate its different functions. To address these questions, we carried out structural and biochemical studies. Crystal structures show that ParA consists of an elongated N-terminal alpha-helix, which unexpectedly mediates dimerization, a winged-HTH and a Walker-box containing C-domain. Biochemical data confirm that apoParA forms dimers at physiological concentrations. Comparisons of four apoParA structures reveal a strikingly flexible dimer interface that allows ParA to adopt multiple conformations. The ParA-ADP structure shows that ADP-binding activates DNA binding using a bipartite mechanism. First, it locks in one specific dimer conformation, and second, it induces the folding of two DNA-binding basic motifs that we show are critical for operator binding.

Structural basis for ADP-mediated transcriptional regulation by P1 and P7 ParA.,Dunham TD, Xu W, Funnell BE, Schumacher MA EMBO J. 2009 Jun 17;28(12):1792-802. Epub 2009 May 21. PMID:19461582^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Dunham TD, Xu W, Funnell BE, Schumacher MA. Structural basis for ADP-mediated transcriptional regulation by P1 and P7 ParA. EMBO J. 2009 Jun 17;28(12):1792-802. Epub 2009 May 21. PMID:19461582 doi:10.1038/emboj.2009.120

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3ez2"

@@ Line 3: / Line 3: @@
 <StructureSection load='3ez2' size='340' side='right'caption='[[3ez2]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[3ez2]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZ2 OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=3EZ2 FirstGlance]. <br>
+<table><tr><td colspan='2'>[[3ez2]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3EZ2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3EZ2 FirstGlance]. <br>
-</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.05&#8491;</td></tr>
-<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3ez6|3ez6]], [[3ez7|3ez7]], [[3ez9|3ez9]], [[3ezf|3ezf]]</td></tr>
+<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=3ez2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ez2 OCA], [http://pdbe.org/3ez2 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3ez2 RCSB], [http://www.ebi.ac.uk/pdbsum/3ez2 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3ez2 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=3ez2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ez2 OCA], [https://pdbe.org/3ez2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ez2 RCSB], [https://www.ebi.ac.uk/pdbsum/3ez2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ez2 ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/PARA_ECOLX PARA_ECOLX]] This protein is essential for plasmid partition. It ensures the proper distribution of newly replicated plasmids to daughter cells during cell division. ParA is trans-acting.
+[https://www.uniprot.org/uniprot/PARA_ECOLX PARA_ECOLX] This protein is essential for plasmid partition. It ensures the proper distribution of newly replicated plasmids to daughter cells during cell division. ParA is trans-acting.
 == Evolutionary Conservation ==
 [[Image:Consurf_key_small.gif|200px|right]]
@@ Line 33: / Line 33: @@
 __TOC__
 </StructureSection>
-[[Category: Bacillus coli migula 1895]]
+[[Category: Escherichia coli]]
 [[Category: Large Structures]]
-[[Category: Dunham, T D]]
+[[Category: Dunham TD]]
-[[Category: Funnell, B]]
+[[Category: Funnell B]]
-[[Category: Schumacher, M A]]
+[[Category: Schumacher MA]]
-[[Category: Xu, W]]
+[[Category: Xu W]]
-[[Category: Dna binding]]
-[[Category: Dna binding protein]]
-[[Category: Par]]
-[[Category: Partition]]
-[[Category: Type ia]]
-[[Category: Winged-hth]]

3ez2

From Proteopedia

Current revision

Partition protein-ADP complex

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

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