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| | ==Structure of ParF-ADP form 2== | | ==Structure of ParF-ADP form 2== |
| - | <StructureSection load='4e03' size='340' side='right' caption='[[4e03]], [[Resolution|resolution]] 2.45Å' scene=''> | + | <StructureSection load='4e03' size='340' side='right'caption='[[4e03]], [[Resolution|resolution]] 2.45Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[4e03]] 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=4E03 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4E03 FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[4e03]] 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=4E03 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4E03 FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr> | + | </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=MG:MAGNESIUM+ION'>MG</scene></td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4dzz|4dzz]], [[4e07|4e07]], [[4e09|4e09]]</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=4e03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4e03 OCA], [https://pdbe.org/4e03 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4e03 RCSB], [https://www.ebi.ac.uk/pdbsum/4e03 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4e03 ProSAT]</span></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">parF, pOLA52_52 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 "Bacillus coli" Migula 1895])</td></tr>
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| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4e03 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4e03 OCA], [http://pdbe.org/4e03 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4e03 RCSB], [http://www.ebi.ac.uk/pdbsum/4e03 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4e03 ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | + | == Function == |
| | + | [[https://www.uniprot.org/uniprot/B0ZE06_ECOLX B0ZE06_ECOLX]] |
| | <div style="background-color:#fffaf0;"> | | <div style="background-color:#fffaf0;"> |
| | == Publication Abstract from PubMed == | | == Publication Abstract from PubMed == |
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| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Bacillus coli migula 1895]] | + | [[Category: Escherichia coli]] |
| - | [[Category: Barge, M R]] | + | [[Category: Large Structures]] |
| - | [[Category: Barilla, D]] | + | [[Category: Barge MR]] |
| - | [[Category: Hayes, F]] | + | [[Category: Barilla D]] |
| - | [[Category: Schumacher, M A]] | + | [[Category: Hayes F]] |
| - | [[Category: Ye, Q]] | + | [[Category: Schumacher MA]] |
| - | [[Category: Deviant walker box]]
| + | [[Category: Ye Q]] |
| - | [[Category: Dna segregation]]
| + | |
| - | [[Category: Multidrug resistance]]
| + | |
| - | [[Category: Partition]]
| + | |
| - | [[Category: Segregation]]
| + | |
| - | [[Category: Unknown function]]
| + | |
| Structural highlights
Function
[B0ZE06_ECOLX]
Publication Abstract from PubMed
Segregation of the bacterial multidrug resistance plasmid TP228 requires the centromere-binding protein, ParG the parH centromere and the Walker-box ATPase, ParF. The cycling of ParF between ADP and ATP bound states drives TP228 partition; ATP binding stimulates ParF polymerization, which is essential for segregation while ADP binding antagonizes polymerization and inhibits DNA partition. The molecular mechanism involved in this adenine nucleotide switch is unclear. Moreover, it is unknown how any Walker-box protein polymerizes in an ATP-dependent manner. Here we describe multiple ParF structures in ADP and AMPPCP bound states. ParF-ADP is monomeric but dimerizes when complexed with AMPPCP. Strikingly, in ParF-AMPPCP structures, the dimers interact to create dimer-of-dimers units that generate a specific linear filament. Mutation of interface residues prevents both polymerization and DNA segregation in vivo. Thus, these data reveal the unique mechanism by which a Walker-box protein forms polymers that involves the generation of ATP-induced dimer-of-dimer building blocks.
Structural mechanism of ATP induced polymerization of the partition factor ParF: implications for DNA segregation.,Schumacher MA, Ye Q, Barge MT, Zampini M, Barilla D, Hayes F J Biol Chem. 2012 Jun 6. PMID:22674577[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Schumacher MA, Ye Q, Barge MT, Zampini M, Barilla D, Hayes F. Structural mechanism of ATP induced polymerization of the partition factor ParF: implications for DNA segregation. J Biol Chem. 2012 Jun 6. PMID:22674577 doi:10.1074/jbc.M112.373696
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