3qeb

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[[Image:3qeb.png|left|200px]]
 
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{{STRUCTURE_3qeb| PDB=3qeb | SCENE= }}
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==Crystal structure of human exonuclease 1 Exo1 (WT) in complex with DNA and Mn2+ (complex III)==
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<StructureSection load='3qeb' size='340' side='right'caption='[[3qeb]], [[Resolution|resolution]] 3.00&Aring;' scene=''>
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===Crystal structure of human exonuclease 1 Exo1 (WT) in complex with DNA and Mn2+ (complex III)===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3qeb]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QEB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3QEB FirstGlance]. <br>
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{{ABSTRACT_PUBMED_21496642}}
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></td></tr>
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==About this Structure==
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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=3qeb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qeb OCA], [https://pdbe.org/3qeb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3qeb RCSB], [https://www.ebi.ac.uk/pdbsum/3qeb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3qeb ProSAT]</span></td></tr>
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[[3qeb]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QEB OCA].
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/EXO1_HUMAN EXO1_HUMAN] 5'->3' double-stranded DNA exonuclease which may also possess a cryptic 3'->5' double-stranded DNA exonuclease activity. Functions in DNA mismatch repair (MMR) to excise mismatch-containing DNA tracts directed by strand breaks located either 5' or 3' to the mismatch. Also exhibits endonuclease activity against 5'-overhanging flap structures similar to those generated by displacement synthesis when DNA polymerase encounters the 5'-end of a downstream Okazaki fragment. Required for somatic hypermutation (SHM) and class switch recombination (CSR) of immunoglobulin genes. Essential for male and female meiosis.<ref>PMID:10364235</ref> <ref>PMID:10608837</ref> <ref>PMID:11809771</ref> <ref>PMID:11842105</ref> <ref>PMID:12414623</ref> <ref>PMID:12704184</ref> <ref>PMID:14636568</ref> <ref>PMID:14676842</ref> <ref>PMID:15225546</ref> <ref>PMID:15886194</ref> <ref>PMID:16143102</ref> <ref>PMID:9685493</ref>
==See Also==
==See Also==
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*[[Exonuclease|Exonuclease]]
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*[[Exonuclease 3D structures|Exonuclease 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:021496642</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Beese, L S.]]
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[[Category: Large Structures]]
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[[Category: Hast, M A.]]
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[[Category: Beese LS]]
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[[Category: Hellinga, H W.]]
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[[Category: Hast MA]]
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[[Category: Iyer, R R.]]
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[[Category: Hellinga HW]]
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[[Category: McSweeney, E A.]]
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[[Category: Iyer RR]]
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[[Category: Modrich, P.]]
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[[Category: McSweeney EA]]
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[[Category: Orans, J.]]
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[[Category: Modrich P]]
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[[Category: Exonuclease]]
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[[Category: Orans J]]
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[[Category: Hydrolase-dna complex]]
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Current revision

Crystal structure of human exonuclease 1 Exo1 (WT) in complex with DNA and Mn2+ (complex III)

PDB ID 3qeb

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