1dpu: Difference between revisions

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[[Image:1dpu.png|left|200px]]


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==SOLUTION STRUCTURE OF THE C-TERMINAL DOMAIN OF HUMAN RPA32 COMPLEXED WITH UNG2(73-88)==
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<StructureSection load='1dpu' size='340' side='right'caption='[[1dpu]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1dpu]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DPU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1DPU FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=1dpu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1dpu OCA], [https://pdbe.org/1dpu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1dpu RCSB], [https://www.ebi.ac.uk/pdbsum/1dpu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1dpu ProSAT]</span></td></tr>
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== Function ==
[https://www.uniprot.org/uniprot/RFA2_HUMAN RFA2_HUMAN] Required for DNA recombination, repair and replication. The activity of RP-A is mediated by single-stranded DNA binding and protein interactions. Required for the efficient recruitment of the DNA double-strand break repair factor RAD51 to chromatin in response to DNA damage.<ref>PMID:15205463</ref> <ref>PMID:19116208</ref> <ref>PMID:19996105</ref> <ref>PMID:20154705</ref>  Functions as component of the alternative replication protein A complex (aRPA). aRPA binds single-stranded DNA and probably plays a role in DNA repair; it does not support chromosomal DNA replication and cell cycle progression through S-phase. In vitro, aRPA cannot promote efficient priming by DNA polymerase alpha but supports DNA polymerase delta synthesis in the presence of PCNA and replication factor C (RFC), the dual incision/excision reaction of nucleotide excision repair and RAD51-dependent strand exchange.<ref>PMID:15205463</ref> <ref>PMID:19116208</ref> <ref>PMID:19996105</ref> <ref>PMID:20154705</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
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    <text>to colour the structure by Evolutionary Conservation</text>
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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/main_output.php?pdb_ID=1dpu ConSurf].
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== Publication Abstract from PubMed ==
Replication protein A (RPA), the nuclear ssDNA-binding protein in eukaryotes, is essential to DNA replication, recombination, and repair. We have shown that a globular domain at the C terminus of subunit RPA32 contains a specific surface that interacts in a similar manner with the DNA repair enzyme UNG2 and repair factors XPA and RAD52, each of which functions in a different repair pathway. NMR structures of the RPA32 domain, free and in complex with the minimal interaction domain of UNG2, were determined, defining a common structural basis for linking RPA to the nucleotide excision, base excision, and recombinational pathways of repairing damaged DNA. Our findings support a hand-off model for the assembly and coordination of different components of the DNA repair machinery.


===SOLUTION STRUCTURE OF THE C-TERMINAL DOMAIN OF HUMAN RPA32 COMPLEXED WITH UNG2(73-88)===
Structural basis for the recognition of DNA repair proteins UNG2, XPA, and RAD52 by replication factor RPA.,Mer G, Bochkarev A, Gupta R, Bochkareva E, Frappier L, Ingles CJ, Edwards AM, Chazin WJ Cell. 2000 Oct 27;103(3):449-56. PMID:11081631<ref>PMID:11081631</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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== References ==
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</StructureSection>
==About this Structure==
1DPU is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1DPU OCA].
 
==Reference==
<ref group="xtra">PMID:11081631</ref><references group="xtra"/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Chazin, W J.]]
[[Category: Large Structures]]
[[Category: Edwards, A M.]]
[[Category: Chazin WJ]]
[[Category: Mer, G.]]
[[Category: Edwards AM]]
[[Category: Dna repair]]
[[Category: Mer G]]
[[Category: Nmr]]
[[Category: Protein-peptide complex]]
 
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