3zvm

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[[Image:3zvm.jpg|left|200px]]
 
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==The structural basis for substrate recognition by mammalian polynucleotide kinase 3' phosphatase==
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The line below this paragraph, containing "STRUCTURE_3zvm", creates the "Structure Box" on the page.
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<StructureSection load='3zvm' size='340' side='right'caption='[[3zvm]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3zvm]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] 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=3ZVM OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ZVM 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]] 1.997&#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=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
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{{STRUCTURE_3zvm| PDB=3zvm | SCENE= }}
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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=3zvm FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3zvm OCA], [https://pdbe.org/3zvm PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3zvm RCSB], [https://www.ebi.ac.uk/pdbsum/3zvm PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3zvm ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/PNKP_MOUSE PNKP_MOUSE] Plays a key role in the repair of DNA damage, functioning as part of both the non-homologous end-joining (NHEJ) and base excision repair (BER) pathways. Through its two catalytic activities, PNK ensures that DNA termini are compatible with extension and ligation by either removing 3'-phosphates from, or by phosphorylating 5'-hydroxyl groups on, the ribose sugar of the DNA backbone.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Mammalian polynucleotide kinase 3' phosphatase (PNK) plays a key role in the repair of DNA damage, functioning as part of both the nonhomologous end-joining (NHEJ) and base excision repair (BER) pathways. Through its two catalytic activities, PNK ensures that DNA termini are compatible with extension and ligation by either removing 3'-phosphates from, or by phosphorylating 5'-hydroxyl groups on, the ribose sugar of the DNA backbone. We have now determined crystal structures of murine PNK with DNA molecules bound to both of its active sites. The structure of ssDNA engaged with the 3'-phosphatase domain suggests a mechanism of substrate interaction that assists DNA end seeking. The structure of dsDNA bound to the 5'-kinase domain reveals a mechanism of DNA bending that facilitates recognition of DNA ends in the context of single-strand and double-strand breaks and suggests a close functional cooperation in substrate recognition between the kinase and phosphatase active sites.
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===THE STRUCTURAL BASIS FOR SUBSTRATE RECOGNITION BY MAMMALIAN POLYNUCLEOTIDE KINASE 3' PHOSPHATASE===
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The structural basis for substrate recognition by Mammalian polynucleotide kinase 3' phosphatase.,Garces F, Pearl LH, Oliver AW Mol Cell. 2011 Nov 4;44(3):385-96. PMID:22055185<ref>PMID:22055185</ref>
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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 3zvm" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 22055185 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_22055185}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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[[3zvm]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ZVM OCA].
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==Reference==
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<ref group="xtra">PMID:022055185</ref><references group="xtra"/>
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Garces, F.]]
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[[Category: Synthetic construct]]
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[[Category: Oliver, A W.]]
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[[Category: Garces F]]
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[[Category: Pearl, L H.]]
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[[Category: Oliver AW]]
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[[Category: Base excision repair]]
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[[Category: Pearl LH]]
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[[Category: Ber]]
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[[Category: Cancer]]
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[[Category: Dna repair]]
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[[Category: Hydrolase-transferase-dna complex]]
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[[Category: Nhej]]
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[[Category: Non-homologous end-joining]]
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Current revision

The structural basis for substrate recognition by mammalian polynucleotide kinase 3' phosphatase

PDB ID 3zvm

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