4bxo

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(New page: '''Unreleased structure''' The entry 4bxo is ON HOLD until Paper Publication Authors: Coulthard, R., Deans, A., Swuec, P., Bowles, M., Purkiss, A., Costa, A., West, S., McDonald, N. De...)
Current revision (11:06, 9 May 2024) (edit) (undo)
 
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'''Unreleased structure'''
 
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The entry 4bxo is ON HOLD until Paper Publication
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==Architecture and DNA recognition elements of the Fanconi anemia FANCM- FAAP24 complex==
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<StructureSection load='4bxo' size='340' side='right'caption='[[4bxo]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4bxo]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4BXO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4BXO 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">X-ray diffraction, [[Resolution|Resolution]] 2.15&#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=CA:CALCIUM+ION'>CA</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=4bxo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4bxo OCA], [https://pdbe.org/4bxo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4bxo RCSB], [https://www.ebi.ac.uk/pdbsum/4bxo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4bxo ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/FANCM_HUMAN FANCM_HUMAN] Fanconi anemia. The disease is caused by mutations affecting the gene represented in this entry.
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== Function ==
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[https://www.uniprot.org/uniprot/FANCM_HUMAN FANCM_HUMAN] ATPase required for FANCD2 ubiquitination, a key reaction in DNA repair. Binds to ssDNA but not to dsDNA. Recruited to forks stalled by DNA interstrand cross-links, and required for cellular resistance to such lesions.<ref>PMID:16116422</ref> <ref>PMID:16116434</ref> [REFERENCE:7][REFERENCE:8]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Fanconi anemia (FA) is a disorder associated with a failure in DNA repair. FANCM (defective in FA complementation group M) and its partner FAAP24 target other FA proteins to sites of DNA damage. FANCM-FAAP24 is related to XPF/MUS81 endonucleases but lacks endonucleolytic activity. We report a structure of an FANCM C-terminal fragment (FANCMCTD) bound to FAAP24 and DNA. This S-shaped structure reveals the FANCM (HhH)2 domain is buried, whereas the FAAP24 (HhH)2 domain engages DNA. We identify a second DNA contact and a metal center within the FANCM pseudo-nuclease domain and demonstrate that mutations in either region impair double-stranded DNA binding in vitro and FANCM-FAAP24 function in vivo. We show the FANCM translocase domain lies in proximity to FANCMCTD by electron microscopy and that binding fork DNA structures stimulate its ATPase activity. This suggests a tracking model for FANCM-FAAP24 until an encounter with a stalled replication fork triggers ATPase-mediated fork remodeling.
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Authors: Coulthard, R., Deans, A., Swuec, P., Bowles, M., Purkiss, A., Costa, A., West, S., McDonald, N.
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Architecture and DNA Recognition Elements of the Fanconi Anemia FANCM-FAAP24 Complex.,Coulthard R, Deans AJ, Swuec P, Bowles M, Costa A, West SC, McDonald NQ Structure. 2013 Aug 6. pii: S0969-2126(13)00255-4. doi:, 10.1016/j.str.2013.07.006. PMID:23932590<ref>PMID:23932590</ref>
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Description: Architecture and DNA recognition elements of the Fanconi anemia FANCM-FAAP24 complex
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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 4bxo" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Synthetic construct]]
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[[Category: Bowles M]]
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[[Category: Costa A]]
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[[Category: Coulthard R]]
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[[Category: Deans A]]
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[[Category: McDonald N]]
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[[Category: Purkiss A]]
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[[Category: Swuec P]]
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[[Category: West S]]

Current revision

Architecture and DNA recognition elements of the Fanconi anemia FANCM- FAAP24 complex

PDB ID 4bxo

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