4bu0

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<StructureSection load='4bu0' size='340' side='right'caption='[[4bu0]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
<StructureSection load='4bu0' size='340' side='right'caption='[[4bu0]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4bu0]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Cbs_356 Cbs 356]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BU0 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4BU0 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4bu0]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Schizosaccharomyces_pombe Schizosaccharomyces pombe]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BU0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BU0 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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene></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=4bu0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bu0 OCA], [https://pdbe.org/4bu0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bu0 RCSB], [https://www.ebi.ac.uk/pdbsum/4bu0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bu0 ProSAT]</span></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4bu1|4bu1]]</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=4bu0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bu0 OCA], [http://pdbe.org/4bu0 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4bu0 RCSB], [http://www.ebi.ac.uk/pdbsum/4bu0 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4bu0 ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/RAD4_SCHPO RAD4_SCHPO]] Essential component for DNA replication and also the checkpoint control system which couples S and M phases. May directly or indirectly interact with chromatin proteins to form the complex required for the initiation and/or progression of DNA synthesis. [[http://www.uniprot.org/uniprot/RHP9_SCHPO RHP9_SCHPO]] Essential for cell cycle arrest at the G1 and G2 stages following DNA damage by X-, and UV-irradiation, or inactivation of DNA ligase. Plays a role in the response to DNA damage.<ref>PMID:9153313</ref> <ref>PMID:9407031</ref> <ref>PMID:15550243</ref>
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[[https://www.uniprot.org/uniprot/RAD4_SCHPO RAD4_SCHPO]] Essential component for DNA replication and also the checkpoint control system which couples S and M phases. May directly or indirectly interact with chromatin proteins to form the complex required for the initiation and/or progression of DNA synthesis.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The BRCT-domain protein Rad4(TopBP1) facilitates activation of the DNA damage checkpoint in Schizosaccharomyces pombe by physically coupling the Rad9-Rad1-Hus1 clamp, the Rad3(ATR) -Rad26(ATRIP) kinase complex, and the Crb2(53BP1) mediator. We have now determined crystal structures of the BRCT repeats of Rad4(TopBP1), revealing a distinctive domain architecture, and characterized their phosphorylation-dependent interactions with Rad9 and Crb2(53BP1). We identify a cluster of phosphorylation sites in the N-terminal region of Crb2(53BP1) that mediate interaction with Rad4(TopBP1) and reveal a hierarchical phosphorylation mechanism in which phosphorylation of Crb2(53BP1) residues Thr215 and Thr235 promotes phosphorylation of the noncanonical Thr187 site by scaffolding cyclin-dependent kinase (CDK) recruitment. Finally, we show that the simultaneous interaction of a single Rad4(TopBP1) molecule with both Thr187 phosphorylation sites in a Crb2(53BP1) dimer is essential for establishing the DNA damage checkpoint.
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Phosphorylation-Dependent Assembly and Coordination of the DNA Damage Checkpoint Apparatus by Rad4(TopBP1.).,Qu M, Rappas M, Wardlaw CP, Garcia V, Ren JY, Day M, Carr AM, Oliver AW, Du LL, Pearl LH Mol Cell. 2013 Sep 26;51(6):723-36. doi: 10.1016/j.molcel.2013.08.030. PMID:24074952<ref>PMID:24074952</ref>
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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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<div class="pdbe-citations 4bu0" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[DNA repair protein Rad4|DNA repair protein Rad4]]
*[[DNA repair protein Rad4|DNA repair protein Rad4]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Cbs 356]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Carr, A M]]
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[[Category: Schizosaccharomyces pombe]]
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[[Category: Du, L L]]
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[[Category: Carr AM]]
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[[Category: Garcia, V]]
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[[Category: Du LL]]
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[[Category: Oliver, A W]]
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[[Category: Garcia V]]
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[[Category: Pearl, L H]]
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[[Category: Oliver AW]]
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[[Category: Qu, M]]
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[[Category: Pearl LH]]
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[[Category: Rappas, M]]
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[[Category: Qu M]]
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[[Category: Wardlaw, C P]]
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[[Category: Rappas M]]
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[[Category: Dna damage checkpoint]]
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[[Category: Wardlaw CP]]
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[[Category: Replication]]
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[[Category: Topbp1]]
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Revision as of 17:08, 7 September 2022

Crystal structure of Rad4 BRCT1,2 in complex with a Crb2 phosphopeptide

PDB ID 4bu0

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