9o6r: Difference between revisions
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==Co-crystal structure of caPCNA bound to the AOH1996 derivative, AOH2.29-LE== | |||
<StructureSection load='9o6r' size='340' side='right'caption='[[9o6r]], [[Resolution|resolution]] 2.87Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[9o6r]] 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=9O6R OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=9O6R FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.87Å</td></tr> | |||
[[Category: | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=XEU:(4~{S})-5-[[2-(4-methylphenyl)sulfanylphenyl]amino]-4-(naphthalen-1-ylcarbonylamino)-5-oxidanylidene-pentanoic+acid'>XEU</scene></td></tr> | ||
[[Category: | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=9o6r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=9o6r OCA], [https://pdbe.org/9o6r PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=9o6r RCSB], [https://www.ebi.ac.uk/pdbsum/9o6r PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=9o6r ProSAT]</span></td></tr> | ||
[[Category: | </table> | ||
== Function == | |||
[https://www.uniprot.org/uniprot/PCNA_HUMAN PCNA_HUMAN] Auxiliary protein of DNA polymerase delta and is involved in the control of eukaryotic DNA replication by increasing the polymerase's processibility during elongation of the leading strand. Induces a robust stimulatory effect on the 3'-5' exonuclease and 3'-phosphodiesterase, but not apurinic-apyrimidinic (AP) endonuclease, APEX2 activities. Has to be loaded onto DNA in order to be able to stimulate APEX2. Plays a key role in DNA damage response (DDR) by being conveniently positioned at the replication fork to coordinate DNA replication with DNA repair and DNA damage tolerance pathways. Acts as a loading platform to recruit DDR proteins that allow completion of DNA replication after DNA damage and promote postreplication repair: Monoubiquitinated PCNA leads to recruitment of translesion (TLS) polymerases, while 'Lys-63'-linked polyubiquitination of PCNA is involved in error-free pathway and employs recombination mechanisms to synthesize across the lesion.<ref>PMID:19443450</ref> <ref>PMID:18719106</ref> | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Jossart J]] | |||
[[Category: Perry JJ]] | |||
Latest revision as of 07:04, 15 July 2026
Co-crystal structure of caPCNA bound to the AOH1996 derivative, AOH2.29-LE
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