5hbe

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'''Unreleased structure'''
 
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The entry 5hbe is ON HOLD
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==CDK8-CYCC IN COMPLEX WITH 8-[3-Chloro-5-(1-methyl-2,2-dioxo-2, 3-dihydro-1H-2l6-benzo[c]isothiazol-5-yl)-pyridin- 4-yl]-1-oxa-3,8-diaza-spiro[4.5]decan-2-one==
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<StructureSection load='5hbe' size='340' side='right'caption='[[5hbe]], [[Resolution|resolution]] 2.38&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5hbe]] 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=5HBE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5HBE FirstGlance]. <br>
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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]] 2.38&#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=5Y6:8-[3-CHLORANYL-5-[1-METHYL-2,2-BIS(OXIDANYLIDENE)-3~{H}-2,1-BENZOTHIAZOL-5-YL]PYRIDIN-4-YL]-1-OXA-3,8-DIAZASPIRO[4.5]DECAN-2-ONE'>5Y6</scene>, <scene name='pdbligand=DMS:DIMETHYL+SULFOXIDE'>DMS</scene>, <scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=FMT:FORMIC+ACID'>FMT</scene></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=5hbe FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5hbe OCA], [https://pdbe.org/5hbe PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5hbe RCSB], [https://www.ebi.ac.uk/pdbsum/5hbe PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5hbe ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CDK8_HUMAN CDK8_HUMAN] Component of the Mediator complex, a coactivator involved in regulated gene transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by direct interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors. Phosphorylates the CTD (C-terminal domain) of the large subunit of RNA polymerase II (RNAp II), which may inhibit the formation of a transcription initiation complex. Phosphorylates CCNH leading to down-regulation of the TFIIH complex and transcriptional repression. Recruited through interaction with MAML1 to hyperphosphorylate the intracellular domain of NOTCH, leading to its degradation.<ref>PMID:10993082</ref> <ref>PMID:15546612</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The Mediator complex-associated cyclin-dependent kinase CDK8 has been implicated in human disease, particularly in colorectal cancer where it has been reported as a putative oncogene. Here we report the discovery of 109 (CCT251921), a potent, selective, and orally bioavailable inhibitor of CDK8 with equipotent affinity for CDK19. We describe a structure-based design approach leading to the discovery of a 3,4,5-trisubstituted-2-aminopyridine series and present the application of physicochemical property analyses to successfully reduce in vivo metabolic clearance, minimize transporter-mediated biliary elimination while maintaining acceptable aqueous solubility. Compound 109 affords the optimal compromise of in vitro biochemical, pharmacokinetic, and physicochemical properties and is suitable for progression to animal models of cancer.
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Authors: D.MUSIL, J.BLAGG, A.MALLINGER
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Discovery of Potent, Selective, and Orally Bioavailable Small-Molecule Modulators of the Mediator Complex-Associated Kinases CDK8 and CDK19.,Mallinger A, Schiemann K, Rink C, Stieber F, Calderini M, Crumpler S, Stubbs M, Adeniji-Popoola O, Poeschke O, Busch M, Czodrowski P, Musil D, Schwarz D, Ortiz-Ruiz MJ, Schneider R, Thai C, Valenti M, de Haven Brandon A, Burke R, Workman P, Dale T, Wienke D, Clarke PA, Esdar C, Raynaud FI, Eccles SA, Rohdich F, Blagg J J Med Chem. 2016 Jan 21. PMID:26796641<ref>PMID:26796641</ref>
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Description: CDK8-CYCC IN COMPLEX WITH 8-[3-Chloro-5-(1-methyl-2,2-dioxo-2, 3-dihydro-1H-2l6-benzo[c]isothiazol-5-yl)-pyridin-4-yl]-1-oxa-3,8-diaza-spiro[4.5]decan-2-one
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: D.Musil, J.Blagg, A.Mallinger]]
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<div class="pdbe-citations 5hbe" style="background-color:#fffaf0;"></div>
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==See Also==
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*[[Cyclin 3D structures|Cyclin 3D structures]]
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*[[Cyclin-dependent kinase 3D structures|Cyclin-dependent kinase 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
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[[Category: Blagg J]]
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[[Category: Mallinger A]]
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[[Category: Musil D]]

Current revision

CDK8-CYCC IN COMPLEX WITH 8-[3-Chloro-5-(1-methyl-2,2-dioxo-2, 3-dihydro-1H-2l6-benzo[c]isothiazol-5-yl)-pyridin- 4-yl]-1-oxa-3,8-diaza-spiro[4.5]decan-2-one

PDB ID 5hbe

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