2ckp

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==CRYSTAL STRUCTURE OF HUMAN CHOLINE KINASE ALPHA-2 IN COMPLEX WITH ADP==
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[[Image:2ckp.png|left|200px]]
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<StructureSection load='2ckp' size='340' side='right' caption='[[2ckp]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2ckp]] is a 2 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=2CKP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2CKP 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><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2cko|2cko]], [[2ckq|2ckq]]</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/Choline_kinase Choline kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.32 2.7.1.32] </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=2ckp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ckp OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ckp RCSB], [http://www.ebi.ac.uk/pdbsum/2ckp 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/ck/2ckp_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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Choline kinase, responsible for the phosphorylation of choline to phosphocholine as the first step of the CDP-choline pathway for the biosynthesis of phosphatidylcholine, has been recognized as a new target for anticancer therapy. Crystal structures of human choline kinase in its apo, ADP and phosphocholine-bound complexes, respectively, reveal the molecular details of the substrate binding sites. ATP binds in a cavity where residues from both the N and C-terminal lobes contribute to form a cleft, while the choline-binding site constitutes a deep hydrophobic groove in the C-terminal domain with a rim composed of negatively charged residues. Upon binding of choline, the enzyme undergoes conformational changes independently affecting the N-terminal domain and the ATP-binding loop. From this structural analysis and comparison with other kinases, and from mutagenesis data on the homologous Caenorhabditis elegans choline kinase, a model of the ternary ADP.phosphocholine complex was built that reveals the molecular basis for the phosphoryl transfer activity of this enzyme.
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Elucidation of human choline kinase crystal structures in complex with the products ADP or phosphocholine.,Malito E, Sekulic N, Too WC, Konrad M, Lavie A J Mol Biol. 2006 Nov 24;364(2):136-51. Epub 2006 Sep 3. PMID:17007874<ref>PMID:17007874</ref>
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The line below this paragraph, containing "STRUCTURE_2ckp", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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-->
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{{STRUCTURE_2ckp| PDB=2ckp | SCENE= }}
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===CRYSTAL STRUCTURE OF HUMAN CHOLINE KINASE ALPHA-2 IN COMPLEX WITH ADP===
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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==
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<!--
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*[[Choline kinase|Choline kinase]]
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The line below this paragraph, {{ABSTRACT_PUBMED_17007874}}, adds the Publication Abstract to the page
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== References ==
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(as it appears on PubMed at http://www.pubmed.gov), where 17007874 is the PubMed ID number.
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<references/>
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-->
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__TOC__
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{{ABSTRACT_PUBMED_17007874}}
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</StructureSection>
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==About this Structure==
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2CKP is a 2 chains structure of sequences 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=2CKP OCA].
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==Reference==
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<ref group="xtra">PMID:17007874</ref><references group="xtra"/>
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[[Category: Choline kinase]]
[[Category: Choline kinase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Lavie, A.]]
[[Category: Lavie, A.]]
[[Category: Malito, E.]]
[[Category: Malito, E.]]
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[[Category: Alternative splicing]]
 
[[Category: Choline kinase]]
[[Category: Choline kinase]]
[[Category: Kinase]]
[[Category: Kinase]]
[[Category: Phosphatydilcholine]]
[[Category: Phosphatydilcholine]]
[[Category: Transferase]]
[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 18:19:44 2009''
 

Revision as of 05:28, 29 September 2014

CRYSTAL STRUCTURE OF HUMAN CHOLINE KINASE ALPHA-2 IN COMPLEX WITH ADP

2ckp, resolution 3.10Å

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