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2kn7
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==Structure of the XPF-single strand DNA complex== | ==Structure of the XPF-single strand DNA complex== | ||
| - | <StructureSection load='2kn7' size='340' side='right' caption='[[2kn7 | + | <StructureSection load='2kn7' size='340' side='right'caption='[[2kn7]]' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[2kn7]] is a 4 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[2kn7]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2KN7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2KN7 FirstGlance]. <br> |
| - | </td></tr><tr id=' | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</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=2kn7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2kn7 OCA], [https://pdbe.org/2kn7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2kn7 RCSB], [https://www.ebi.ac.uk/pdbsum/2kn7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2kn7 ProSAT]</span></td></tr> | |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | |
</table> | </table> | ||
== Disease == | == Disease == | ||
| - | [ | + | [https://www.uniprot.org/uniprot/XPF_HUMAN XPF_HUMAN] Defects in ERCC4 are the cause of xeroderma pigmentosum complementation group F (XP-F) [MIM:[https://omim.org/entry/278760 278760]; also known as xeroderma pigmentosum VI (XP6). XP-F is an autosomal recessive disease characterized by hypersensitivity of the skin to sunlight followed by high incidence of skin cancer and frequent neurologic abnormalities.<ref>PMID:8797827</ref> <ref>PMID:9580660</ref> <ref>PMID:9579555</ref> Defects in ERCC4 are a cause of XFE progeroid syndrome (XFEPS) [MIM:[https://omim.org/entry/610965 610965]. This syndrome is illustrated by one patient who presented with dwarfism, cachexia and microcephaly.<ref>PMID:17183314</ref> |
== Function == | == Function == | ||
| - | [ | + | [https://www.uniprot.org/uniprot/XPF_HUMAN XPF_HUMAN] Structure-specific DNA repair endonuclease responsible for the 5-prime incision during DNA repair. Involved in homologous recombination that assists in removing interstrand cross-link.<ref>PMID:19596235</ref> |
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2kn7 ConSurf]. | </jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2kn7 ConSurf]. | ||
<div style="clear:both"></div> | <div style="clear:both"></div> | ||
| - | <div style="background-color:#fffaf0;"> | ||
| - | == Publication Abstract from PubMed == | ||
| - | Human XPF/ERCC1 is a structure-specific DNA endonuclease that nicks the damaged DNA strand at the 5' end during nucleotide excision repair. We determined the structure of the complex of the C-terminal domain of XPF with 10 nt ssDNA. A positively charged region within the second helix of the first HhH motif contacts the ssDNA phosphate backbone. One guanine base is flipped out of register and positioned in a pocket contacting residues from both HhH motifs of XPF. Comparison to other HhH-containing proteins indicates a one-residue deletion in the second HhH motif of XPF that has altered the hairpin conformation, thereby permitting ssDNA interactions. Previous nuclear magnetic resonance studies showed that ERCC1 in the XPF-ERCC1 heterodimer can bind dsDNA. Combining the two observations gives a model that underscores the asymmetry of the human XPF/ERCC1 heterodimer in binding at an ss/ds DNA junction. | ||
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| - | The structure of the XPF-ssDNA complex underscores the distinct roles of the XPF and ERCC1 helix- hairpin-helix domains in ss/ds DNA recognition.,Das D, Folkers GE, van Dijk M, Jaspers NG, Hoeijmakers JH, Kaptein R, Boelens R Structure. 2012 Apr 4;20(4):667-75. Epub 2012 Apr 3. PMID:22483113<ref>PMID:22483113</ref> | ||
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| - | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | ||
| - | </div> | ||
| - | <div class="pdbe-citations 2kn7" style="background-color:#fffaf0;"></div> | ||
==See Also== | ==See Also== | ||
| - | *[[Endonuclease|Endonuclease]] | + | *[[Endonuclease 3D structures|Endonuclease 3D structures]] |
== References == | == References == | ||
<references/> | <references/> | ||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Homo sapiens]] |
| - | [[Category: | + | [[Category: Large Structures]] |
| - | [[Category: | + | [[Category: Boelens R]] |
| - | [[Category: | + | [[Category: Das D]] |
| - | [[Category: Folkers | + | [[Category: Folkers GE]] |
| - | [[Category: Hoeijmakers | + | [[Category: Hoeijmakers JHJ]] |
| - | [[Category: Jaspers | + | [[Category: Jaspers NGJ]] |
| - | [[Category: Kaptein | + | [[Category: Kaptein R]] |
| - | [[Category: | + | [[Category: Van Dijk M]] |
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Current revision
Structure of the XPF-single strand DNA complex
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