1p5z

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[[Image:1p5z.png|left|200px]]
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==Structure of human dCK complexed with cytarabine and ADP-MG==
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<StructureSection load='1p5z' size='340' side='right' caption='[[1p5z]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1p5z]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1P5Z OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1P5Z FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene>, <scene name='pdbligand=AR3:CYTARABINE'>AR3</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1p60|1p60]], [[1p61|1p61]], [[1p62|1p62]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">DCK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Deoxycytidine_kinase Deoxycytidine kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.74 2.7.1.74] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1p5z FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1p5z OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1p5z RCSB], [http://www.ebi.ac.uk/pdbsum/1p5z PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/p5/1p5z_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Human deoxycytidine kinase (dCK) phosphorylates the natural deoxyribonucleosides deoxycytidine (dC), deoxyguanosine (dG) and deoxyadenosine (dA) and is an essential enzyme for the phosphorylation of numerous nucleoside analog prodrugs routinely used in cancer and antiviral chemotherapy. For many of these compounds, the phosphorylation step catalyzed by dCK is the rate-limiting step in their overall activation pathway. To determine the factors that limit the phosphorylation efficiency of the prodrug, we solved the crystal structure of dCK to a resolution of 1.6 A in complex with its physiological substrate deoxycytidine and with the prodrugs AraC and gemcitabine. The structures reveal the determinants of dCK substrate specificity. Especially relevant to new prodrug development is the interaction between Arg128 and the hydrogen-bond acceptor at the sugar 2'-arabinosyl position of AraC and gemcitabine. On the basis of the structures, we designed a catalytically superior dCK variant that could be used in suicide gene-therapy applications.
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{{STRUCTURE_1p5z| PDB=1p5z | SCENE= }}
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Structure of human dCK suggests strategies to improve anticancer and antiviral therapy.,Sabini E, Ort S, Monnerjahn C, Konrad M, Lavie A Nat Struct Biol. 2003 Jul;10(7):513-9. PMID:12808445<ref>PMID:12808445</ref>
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===Structure of human dCK complexed with cytarabine and ADP-MG===
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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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{{ABSTRACT_PUBMED_12808445}}
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==See Also==
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*[[Deoxycytidine kinase|Deoxycytidine kinase]]
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==About this Structure==
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== References ==
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[[1p5z]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1P5Z OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:012808445</ref><references group="xtra"/>
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[[Category: Deoxycytidine kinase]]
[[Category: Deoxycytidine kinase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 23:43, 28 September 2014

Structure of human dCK complexed with cytarabine and ADP-MG

1p5z, resolution 1.60Å

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