4jln

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==Human dCK C4S-S74E mutant in complex with UDP and the F2.4.1 inhibitor (2-[({2-[3-(2-FLUOROETHOXY)-4-METHOXYPHENYL]-5-PROPYL-1,3-THIAZOL-4-YL}METHYL)SULFANYL]PYRIMIDINE-4,6-DIAMINE)==
==Human dCK C4S-S74E mutant in complex with UDP and the F2.4.1 inhibitor (2-[({2-[3-(2-FLUOROETHOXY)-4-METHOXYPHENYL]-5-PROPYL-1,3-THIAZOL-4-YL}METHYL)SULFANYL]PYRIMIDINE-4,6-DIAMINE)==
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<StructureSection load='4jln' size='340' side='right' caption='[[4jln]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
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<StructureSection load='4jln' size='340' side='right'caption='[[4jln]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4jln]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4JLN OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4JLN FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4jln]] is a 2 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=4JLN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4JLN FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=18V:2-[({2-[3-(2-FLUOROETHOXY)-4-METHOXYPHENYL]-5-PROPYL-1,3-THIAZOL-4-YL}METHYL)SULFANYL]PYRIMIDINE-4,6-DIAMINE'>18V</scene>, <scene name='pdbligand=UDP:URIDINE-5-DIPHOSPHATE'>UDP</scene></td></tr>
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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]] 2.15&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4jlj|4jlj]], [[4jlk|4jlk]], [[4jlm|4jlm]]</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=18V:2-[({2-[3-(2-FLUOROETHOXY)-4-METHOXYPHENYL]-5-PROPYL-1,3-THIAZOL-4-YL}METHYL)SULFANYL]PYRIMIDINE-4,6-DIAMINE'>18V</scene>, <scene name='pdbligand=UDP:URIDINE-5-DIPHOSPHATE'>UDP</scene></td></tr>
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<tr id='gene'><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 HUMAN])</td></tr>
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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=4jln FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jln OCA], [https://pdbe.org/4jln PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4jln RCSB], [https://www.ebi.ac.uk/pdbsum/4jln PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4jln ProSAT]</span></td></tr>
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<tr id='activity'><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 id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4jln FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4jln OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4jln RCSB], [http://www.ebi.ac.uk/pdbsum/4jln PDBsum]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/DCK_HUMAN DCK_HUMAN]] Required for the phosphorylation of the deoxyribonucleosides deoxycytidine (dC), deoxyguanosine (dG) and deoxyadenosine (dA). Has broad substrate specificity, and does not display selectivity based on the chirality of the substrate. It is also an essential enzyme for the phosphorylation of numerous nucleoside analogs widely employed as antiviral and chemotherapeutic agents.<ref>PMID:18377927</ref> <ref>PMID:20614893</ref>
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[https://www.uniprot.org/uniprot/DCK_HUMAN DCK_HUMAN] Required for the phosphorylation of the deoxyribonucleosides deoxycytidine (dC), deoxyguanosine (dG) and deoxyadenosine (dA). Has broad substrate specificity, and does not display selectivity based on the chirality of the substrate. It is also an essential enzyme for the phosphorylation of numerous nucleoside analogs widely employed as antiviral and chemotherapeutic agents.<ref>PMID:18377927</ref> <ref>PMID:20614893</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Deoxycytidine kinase (dCK) is a key enzyme in the nucleoside salvage pathway that is also required for the activation of several anticancer and antiviral nucleoside analog prodrugs. Additionally, dCK has been implicated in immune disorders and has been found to be overexpressed in several cancers. To allow the probing and modulation of dCK activity, a new class of small-molecule inhibitors of the enzyme were developed. Here, the structural characterization of four of these inhibitors in complex with human dCK is presented. The structures reveal that the compounds occupy the nucleoside-binding site and bind to the open form of dCK. Surprisingly, a slight variation in the nature of the substituent at the 5-position of the thiazole ring governs whether the active site of the enzyme is occupied by one or two inhibitor molecules. Moreover, this substituent plays a critical role in determining the affinity, improving it from &gt;700 to 1.5 nM in the best binder. These structures lay the groundwork for future modifications that would result in even tighter binding and the correct placement of moieties that confer favorable pharmacodynamics and pharmacokinetic properties.
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Structural characterization of new deoxycytidine kinase inhibitors rationalizes the affinity-determining moieties of the molecules.,Nomme J, Murphy JM, Su Y, Sansone ND, Armijo AL, Olson ST, Radu C, Lavie A Acta Crystallogr D Biol Crystallogr. 2014 Jan;70(Pt 1):68-78. doi:, 10.1107/S1399004713025030. Epub 2013 Dec 24. PMID:24419380<ref>PMID:24419380</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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==See Also==
==See Also==
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*[[Deoxycytidine kinase|Deoxycytidine kinase]]
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*[[Deoxycytidine kinase 3D structures|Deoxycytidine kinase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Deoxycytidine kinase]]
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[[Category: Homo sapiens]]
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[[Category: Human]]
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[[Category: Large Structures]]
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[[Category: Lavie, A]]
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[[Category: Lavie A]]
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[[Category: Nomme, J]]
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[[Category: Nomme J]]
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[[Category: Kinase]]
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[[Category: Phosphoryl transfer]]
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[[Category: Phosphorylation]]
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[[Category: Transferase-transferase inhibitor complex]]
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Current revision

Human dCK C4S-S74E mutant in complex with UDP and the F2.4.1 inhibitor (2-[({2-[3-(2-FLUOROETHOXY)-4-METHOXYPHENYL]-5-PROPYL-1,3-THIAZOL-4-YL}METHYL)SULFANYL]PYRIMIDINE-4,6-DIAMINE)

PDB ID 4jln

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