2ocp

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{{Seed}}
 
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[[Image:2ocp.png|left|200px]]
 
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==Crystal Structure of Human Deoxyguanosine Kinase==
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The line below this paragraph, containing "STRUCTURE_2ocp", creates the "Structure Box" on the page.
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<StructureSection load='2ocp' size='340' side='right'caption='[[2ocp]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2ocp]] is a 8 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1jag 1jag]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OCP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2OCP FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.8&#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=DTP:2-DEOXYADENOSINE+5-TRIPHOSPHATE'>DTP</scene></td></tr>
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{{STRUCTURE_2ocp| PDB=2ocp | 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=2ocp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ocp OCA], [https://pdbe.org/2ocp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ocp RCSB], [https://www.ebi.ac.uk/pdbsum/2ocp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ocp ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/DGUOK_HUMAN DGUOK_HUMAN] Defects in DGUOK are the cause of mitochondrial DNA depletion syndrome type 3 (MTDPS3) [MIM:[https://omim.org/entry/251880 251880]. A disorder characterized by onset in infancy of progressive liver failure, hypoglycemia, increased lactate in body fluids, and neurologic abnormalities including hypotonia, encephalopathy, peripheral neuropathy. Affected tissues show both decreased activity of the mtDNA-encoded respiratory chain complexes and mtDNA depletion.<ref>PMID:12205643</ref> <ref>PMID:15639197</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/DGUOK_HUMAN DGUOK_HUMAN] Required for the phosphorylation of several deoxyribonucleosides and certain nucleoside analogs widely employed as antiviral and chemotherapeutic agents.<ref>PMID:8706825</ref>
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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/oc/2ocp_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/main_output.php?pdb_ID=2ocp 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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Deoxyribonucleoside kinases phosphorylate deoxyribonucleosides and activate a number of medically important nucleoside analogs. Here we report the structure of the Drosophila deoxyribonucleoside kinase with deoxycytidine bound at the nucleoside binding site and that of the human deoxyguanosine kinase with ATP at the nucleoside substrate binding site. Compared to the human kinase, the Drosophila kinase has a wider substrate cleft, which may be responsible for the broad substrate specificity of this enzyme. The human deoxyguanosine kinase is highly specific for purine substrates; this is apparently due to the presence of Arg 118, which provides favorable hydrogen bonding interactions with the substrate. The two new structures provide an explanation for the substrate specificity of cellular deoxyribonucleoside kinases.
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===Crystal Structure of Human Deoxyguanosine Kinase===
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Structural basis for substrate specificities of cellular deoxyribonucleoside kinases.,Johansson K, Ramaswamy S, Ljungcrantz C, Knecht W, Piskur J, Munch-Petersen B, Eriksson S, Eklund H Nat Struct Biol. 2001 Jul;8(7):616-20. PMID:11427893<ref>PMID:11427893</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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The line below this paragraph, {{ABSTRACT_PUBMED_11427893}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2ocp" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11427893 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_11427893}}
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__TOC__
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</StructureSection>
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==About this Structure==
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2OCP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1jag 1jag]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2OCP OCA].
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==Reference==
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Structural basis for substrate specificities of cellular deoxyribonucleoside kinases., Johansson K, Ramaswamy S, Ljungcrantz C, Knecht W, Piskur J, Munch-Petersen B, Eriksson S, Eklund H, Nat Struct Biol. 2001 Jul;8(7):616-20. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11427893 11427893]
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[[Category: Deoxyguanosine kinase]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Eklund, H.]]
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[[Category: Eklund H]]
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[[Category: Eriksson, S.]]
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[[Category: Eriksson S]]
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[[Category: Johansson, K.]]
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[[Category: Johansson K]]
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[[Category: Knecht, W.]]
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[[Category: Knecht W]]
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[[Category: Ljungkrantz, C.]]
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[[Category: Ljungkrantz C]]
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[[Category: Munch-Petersen, B.]]
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[[Category: Munch-Petersen B]]
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[[Category: Piskur, J.]]
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[[Category: Piskur J]]
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[[Category: Ramaswamy, S.]]
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[[Category: Ramaswamy S]]
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[[Category: Protein-nucleotide complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 08:27:54 2008''
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Current revision

Crystal Structure of Human Deoxyguanosine Kinase

PDB ID 2ocp

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