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3v4r

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==Crystal structure of a UvrB dimer-DNA complex==
==Crystal structure of a UvrB dimer-DNA complex==
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<StructureSection load='3v4r' size='340' side='right' caption='[[3v4r]], [[Resolution|resolution]] 3.25&Aring;' scene=''>
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<StructureSection load='3v4r' size='340' side='right'caption='[[3v4r]], [[Resolution|resolution]] 3.25&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3v4r]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_globigii"_migula_1900 "bacillus globigii" migula 1900]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V4R OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3V4R FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3v4r]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/"vibrio_subtilis"_ehrenberg_1835 "vibrio subtilis" ehrenberg 1835]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3V4R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3V4R FirstGlance]. <br>
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</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></td></tr>
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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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BSU35170, dinA, uvr, uvrB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 "Bacillus globigii" Migula 1900])</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BSU35170, dinA, uvr, uvrB ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1423 "Vibrio subtilis" Ehrenberg 1835])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Type_III_site-specific_deoxyribonuclease Type III site-specific deoxyribonuclease], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.21.5 3.1.21.5] </span></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/Type_III_site-specific_deoxyribonuclease Type III site-specific deoxyribonuclease], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.21.5 3.1.21.5] </span></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=3v4r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v4r OCA], [http://pdbe.org/3v4r PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3v4r RCSB], [http://www.ebi.ac.uk/pdbsum/3v4r PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3v4r ProSAT]</span></td></tr>
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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=3v4r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3v4r OCA], [https://pdbe.org/3v4r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3v4r RCSB], [https://www.ebi.ac.uk/pdbsum/3v4r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3v4r ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/UVRB_BACSU UVRB_BACSU]] The UvrABC repair system catalyzes the recognition and processing of DNA lesions. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. Upon binding of the UvrA(2)B(2) complex to a putative damaged site, the DNA wraps around one UvrB monomer. DNA wrap is dependent on ATP binding by UvrB and probably causes local melting of the DNA helix, facilitating insertion of UvrB beta-hairpin between the DNA strands. Then UvrB probes one DNA strand for the presence of a lesion. If a lesion is found the UvrA subunits dissociate and the UvrB-DNA preincision complex is formed. This complex is subsequently bound by UvrC and the second UvrB is released. If no lesion is found, the DNA wraps around the other UvrB subunit that will check the other stand for damage (By similarity).
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[[https://www.uniprot.org/uniprot/UVRB_BACSU UVRB_BACSU]] The UvrABC repair system catalyzes the recognition and processing of DNA lesions. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. Upon binding of the UvrA(2)B(2) complex to a putative damaged site, the DNA wraps around one UvrB monomer. DNA wrap is dependent on ATP binding by UvrB and probably causes local melting of the DNA helix, facilitating insertion of UvrB beta-hairpin between the DNA strands. Then UvrB probes one DNA strand for the presence of a lesion. If a lesion is found the UvrA subunits dissociate and the UvrB-DNA preincision complex is formed. This complex is subsequently bound by UvrC and the second UvrB is released. If no lesion is found, the DNA wraps around the other UvrB subunit that will check the other stand for damage (By similarity).
<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>
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[[Category: Bacillus globigii migula 1900]]
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[[Category: Vibrio subtilis ehrenberg 1835]]
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[[Category: Large Structures]]
[[Category: Type III site-specific deoxyribonuclease]]
[[Category: Type III site-specific deoxyribonuclease]]
[[Category: Barrett, T]]
[[Category: Barrett, T]]

Revision as of 08:30, 20 July 2022

Crystal structure of a UvrB dimer-DNA complex

PDB ID 3v4r

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