1v1q

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[[Image:1v1q.png|left|200px]]
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==CRYSTAL STRUCTURE OF PRIB- A PRIMOSOMAL DNA REPLICATION PROTEIN OF ESCHERICHIA COLI==
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<StructureSection load='1v1q' size='340' side='right' caption='[[1v1q]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1v1q]] is a 2 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=1V1Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1V1Q FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CYS:CYSTEINE'>CYS</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=1v1q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1v1q OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1v1q RCSB], [http://www.ebi.ac.uk/pdbsum/1v1q 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/v1/1v1q_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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PriB is one of the Escherichia coli varphiX-type primosome proteins that are required for assembly of the primosome, a mobile multi-enzyme complex responsible for the initiation of DNA replication. Here we report the crystal structure of the E. coli PriB at 2.1 A resolution by multi-wavelength anomalous diffraction using a mercury derivative. The polypeptide chain of PriB is structurally similar to that of single-stranded DNA-binding protein (SSB). However, the biological unit of PriB is a dimer, not a homotetramer like SSB. Electrophoretic mobility shift assays demonstrated that PriB binds single-stranded DNA and single-stranded RNA with comparable affinity. We also show that PriB binds single-stranded DNA with certain base preferences. Based on the PriB structural information and biochemical studies, we propose that the potential tetramer formation surface and several other regions of PriB may participate in protein-protein interaction during DNA replication. These findings may illuminate the role of PriB in varphiX-type primosome assembly.
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{{STRUCTURE_1v1q| PDB=1v1q | SCENE= }}
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Crystal structure of PriB, a primosomal DNA replication protein of Escherichia coli.,Liu JH, Chang TW, Huang CY, Chen SU, Wu HN, Chang MC, Hsiao CD J Biol Chem. 2004 Nov 26;279(48):50465-71. Epub 2004 Sep 21. PMID:15383524<ref>PMID:15383524</ref>
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===CRYSTAL STRUCTURE OF PRIB- A PRIMOSOMAL DNA REPLICATION PROTEIN OF ESCHERICHIA COLI===
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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_15383524}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1v1q]] is a 2 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=1V1Q OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015383524</ref><references group="xtra"/>
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[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
[[Category: Chang, M C.]]
[[Category: Chang, M C.]]

Revision as of 21:20, 29 September 2014

CRYSTAL STRUCTURE OF PRIB- A PRIMOSOMAL DNA REPLICATION PROTEIN OF ESCHERICHIA COLI

1v1q, resolution 2.10Å

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