9s19: Difference between revisions

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'''Unreleased structure'''


The entry 9s19 is ON HOLD  until Paper Publication
==WRN helicase in complex with ATPgS and ssDNA==
 
<StructureSection load='9s19' size='340' side='right'caption='[[9s19]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
Authors:  
== Structural highlights ==
 
<table><tr><td colspan='2'>[[9s19]] is a 4 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=9S19 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9S19 FirstGlance]. <br>
Description:  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
[[Category: Unreleased Structures]]
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=AGS:PHOSPHOTHIOPHOSPHORIC+ACID-ADENYLATE+ESTER'>AGS</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9s19 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9s19 OCA], [https://pdbe.org/9s19 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9s19 RCSB], [https://www.ebi.ac.uk/pdbsum/9s19 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9s19 ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/WRN_HUMAN WRN_HUMAN] Defects in WRN are a cause of Werner syndrome (WRN) [MIM:[https://omim.org/entry/277700 277700]. WRN is a rare autosomal recessive progeroid syndrome characterized by the premature onset of multiple age-related disorders, including atherosclerosis, cancer, non-insulin-dependent diabetes mellitus, ocular cataracts and osteoporosis. The major cause of death, at a median age of 47, is myocardial infarction. Currently all known WS mutations produces prematurely terminated proteins.<ref>PMID:16673358</ref>  Defects in WRN may be a cause of colorectal cancer (CRC) [MIM:[https://omim.org/entry/114500 114500].
== Function ==
[https://www.uniprot.org/uniprot/WRN_HUMAN WRN_HUMAN] Multifunctional enzyme that has both magnesium and ATP-dependent DNA-helicase activity and 3'->5' exonuclease activity towards double-stranded DNA with a 5'-overhang. Has no nuclease activity towards single-stranded DNA or blunt-ended double-stranded DNA. Binds preferentially to DNA substrates containing alternate secondary structures, such as replication forks and Holliday junctions. May play an important role in the dissociation of joint DNA molecules that can arise as products of homologous recombination, at stalled replication forks or during DNA repair. Alleviates stalling of DNA polymerases at the site of DNA lesions. Important for genomic integrity. Plays a role in the formation of DNA replication focal centers; stably associates with foci elements generating binding sites for RP-A (By similarity).<ref>PMID:11863428</ref> <ref>PMID:17563354</ref> <ref>PMID:18596042</ref> <ref>PMID:19652551</ref> <ref>PMID:19283071</ref>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Fletcher CT]]
[[Category: Rucktooa P]]
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