4ric: Difference between revisions

New page: '''Unreleased structure''' The entry 4ric is ON HOLD Authors: Pavletich, N.P., Wang, R. Description:
 
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'''Unreleased structure'''


The entry 4ric is ON HOLD
==FAN1 Nuclease bound to 5' hydroxyl (dT-dT) single flap DNA==
<StructureSection load='4ric' size='340' side='right' caption='[[4ric]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[4ric]] is a 8 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4RIC OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4RIC FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4ri8|4ri8]], [[4ri9|4ri9]], [[4ria|4ria]], [[4rib|4rib]], [[4rid|4rid]]</td></tr>
<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=4ric FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4ric OCA], [http://pdbe.org/4ric PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4ric RCSB], [http://www.ebi.ac.uk/pdbsum/4ric PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4ric ProSAT]</span></td></tr>
</table>
== Disease ==
[[http://www.uniprot.org/uniprot/FAN1_HUMAN FAN1_HUMAN]] Karyomegalic interstitial nephritis. The disease is caused by mutations affecting the gene represented in this entry.
== Function ==
[[http://www.uniprot.org/uniprot/FAN1_HUMAN FAN1_HUMAN]] Nuclease required for maintenance of chromosomal stability. Plays a key role in DNA repair of DNA interstrand cross-links (ICL) by being recruited to sites of DNA damage by monoubiquitinated FANCD2. Specifically involved in repair of ICL-induced DNA breaks by being required for efficient homologous recombination, possibly in the resolution of homologous recombination intermediates. Not involved in DNA double-strand breaks resection. Has both endonuclease activity toward 5'-flaps and 5'-exonuclease activity: may act in concert with the 3'-flap-specific enzymes to unhook the ICL by cleaving the lagging-strand template.<ref>PMID:20603015</ref> <ref>PMID:20603016</ref> <ref>PMID:20603073</ref> <ref>PMID:20671156</ref> 
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
DNA interstrand cross-links (ICLs) are highly toxic lesions associated with cancer and degenerative diseases. ICLs can be repaired by the Fanconi anemia (FA) pathway and through FA-independent processes involving the FAN1 nuclease. In this work, FAN1-DNA crystal structures and biochemical data reveal that human FAN1 cleaves DNA successively at every third nucleotide. In vitro, this exonuclease mechanism allows FAN1 to excise an ICL from one strand through flanking incisions. DNA access requires a 5'-terminal phosphate anchor at a nick or a 1- or 2-nucleotide flap and is augmented by a 3' flap, suggesting that FAN1 action is coupled to DNA synthesis or recombination. FAN1's mechanism of ICL excision is well suited for processing other localized DNA adducts as well.


Authors: Pavletich, N.P., Wang, R.
DNA repair. Mechanism of DNA interstrand cross-link processing by repair nuclease FAN1.,Wang R, Persky NS, Yoo B, Ouerfelli O, Smogorzewska A, Elledge SJ, Pavletich NP Science. 2014 Nov 28;346(6213):1127-30. doi: 10.1126/science.1258973. PMID:25430771<ref>PMID:25430771</ref>


Description:
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 4ric" style="background-color:#fffaf0;"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Pavletich, N P]]
[[Category: Wang, R]]
[[Category: Hydrolase-dna complex]]
[[Category: Nuclease]]

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