1m2p

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[[Image:1m2p.jpg|left|200px]]
 
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{{Structure
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==Crystal structure of 1,8-di-hydroxy-4-nitro-anthraquinone/CK2 kinase complex==
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|PDB= 1m2p |SIZE=350|CAPTION= <scene name='initialview01'>1m2p</scene>, resolution 2.00&Aring;
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<StructureSection load='1m2p' size='340' side='right'caption='[[1m2p]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=HNA:1,8-DI-HYDROXY-4-NITRO-ANTHRAQUINONE'>HNA</scene>
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<table><tr><td colspan='2'>[[1m2p]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Zea_mays Zea mays]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M2P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1M2P FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Non-specific_serine/threonine_protein_kinase Non-specific serine/threonine protein kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.11.1 2.7.11.1] </span>
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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&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=HNA:1,8-DI-HYDROXY-4-NITRO-ANTHRAQUINONE'>HNA</scene></td></tr>
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|DOMAIN=
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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=1m2p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1m2p OCA], [https://pdbe.org/1m2p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1m2p RCSB], [https://www.ebi.ac.uk/pdbsum/1m2p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1m2p ProSAT]</span></td></tr>
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|RELATEDENTRY=[[1j91|1J91]], [[1jam|1JAM]], [[1f0q|1F0Q]]
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1m2p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1m2p OCA], [http://www.ebi.ac.uk/pdbsum/1m2p PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1m2p RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/CSK2A_MAIZE CSK2A_MAIZE] Casein kinases are operationally defined by their preferential utilization of acidic proteins such as caseins as substrates. The alpha chain contains the catalytic site.
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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/m2/1m2p_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=1m2p ConSurf].
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<div style="clear:both"></div>
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'''Crystal structure of 1,8-di-hydroxy-4-nitro-anthraquinone/CK2 kinase complex'''
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==See Also==
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*[[Casein kinase 3D structures|Casein kinase 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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Protein kinases play key roles in signal transduction and therefore are among the most attractive targets for drug design. The pharmacological aptitude of protein kinase inhibitors is highlighted by the observation that various diseases with special reference to cancer are because of the abnormal expression/activity of individual kinases. The resolution of the three-dimensional structure of the target kinase in complex with inhibitors is often the starting point for the rational design of this kind of drugs, some of which are already in advanced clinical trial or even in clinical practice. Here we present and discuss three new crystal structures of ATP site-directed inhibitors in complex with "casein kinase-2" (CK2), a constitutively active protein kinase implicated in a variety of cellular functions and misfunctions. With the help of theoretical calculations, we disclose some key features underlying the inhibitory efficiency of anthraquinone derivatives, outlining three different binding modes into the active site. In particular, we show that a nitro group in a hydroxyanthraquinone scaffold decreases the inhibitory constants K(i) because of electron-withdrawing and resonance effects that enhance the polarization of hydroxylic substituents in paraposition.
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[[Category: Large Structures]]
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==About this Structure==
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1M2P is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Zea_mays Zea mays]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M2P OCA].
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==Reference==
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Inhibition of protein kinase CK2 by anthraquinone-related compounds. A structural insight., De Moliner E, Moro S, Sarno S, Zagotto G, Zanotti G, Pinna LA, Battistutta R, J Biol Chem. 2003 Jan 17;278(3):1831-6. Epub 2002 Nov 4. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12419810 12419810]
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[[Category: Non-specific serine/threonine protein kinase]]
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[[Category: Single protein]]
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[[Category: Zea mays]]
[[Category: Zea mays]]
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[[Category: Battistutta, R.]]
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[[Category: Battistutta R]]
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[[Category: Moliner, E De.]]
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[[Category: De Moliner E]]
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[[Category: Moro, S.]]
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[[Category: Moro S]]
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[[Category: Pinna, L A.]]
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[[Category: Pinna LA]]
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[[Category: Sarno, S.]]
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[[Category: Sarno S]]
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[[Category: Zagotto, G.]]
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[[Category: Zagotto G]]
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[[Category: Zanotti, G.]]
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[[Category: Zanotti G]]
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[[Category: inhibitor-enzyme complex]]
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[[Category: kinase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 22:10:31 2008''
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Current revision

Crystal structure of 1,8-di-hydroxy-4-nitro-anthraquinone/CK2 kinase complex

PDB ID 1m2p

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