6nsl

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<StructureSection load='6nsl' size='340' side='right'caption='[[6nsl]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
<StructureSection load='6nsl' size='340' side='right'caption='[[6nsl]], [[Resolution|resolution]] 2.15&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[6nsl]] 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=6NSL OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6NSL FirstGlance]. <br>
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<table><tr><td colspan='2'>[[6nsl]] 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=6NSL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NSL FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=KZJ:6-{[1-(4-cyanophenyl)-2-oxo-1,2-dihydropyridin-3-yl]amino}-N-cyclopropyl-8-(methylamino)imidazo[1,2-b]pyridazine-3-carboxamide'>KZJ</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TYK2 ([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='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=KZJ:6-{[1-(4-cyanophenyl)-2-oxo-1,2-dihydropyridin-3-yl]amino}-N-cyclopropyl-8-(methylamino)imidazo[1,2-b]pyridazine-3-carboxamide'>KZJ</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></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/Non-specific_protein-tyrosine_kinase Non-specific protein-tyrosine kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.10.2 2.7.10.2] </span></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=6nsl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nsl OCA], [https://pdbe.org/6nsl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nsl RCSB], [https://www.ebi.ac.uk/pdbsum/6nsl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nsl ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6nsl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nsl OCA], [http://pdbe.org/6nsl PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nsl RCSB], [http://www.ebi.ac.uk/pdbsum/6nsl PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nsl ProSAT]</span></td></tr>
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</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/TYK2_HUMAN TYK2_HUMAN]] Mendelian susceptibility to mycobacterial diseases;Autosomal recessive hyper IgE syndrome. Defects in TYK2 are the cause of protein-tyrosine kinase 2 deficiency (TYK2 deficiency) [MIM:[http://omim.org/entry/611521 611521]]; also known as autosomal recessive hyper-IgE syndrome (HIES) with atypical mycobacteriosis. TYK2 deficiency consists of a primary immunodeficiency characterized by recurrent skin abscesses, pneumonia, and highly elevated serum IgE.
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[https://www.uniprot.org/uniprot/TYK2_HUMAN TYK2_HUMAN] Mendelian susceptibility to mycobacterial diseases;Autosomal recessive hyper IgE syndrome. Defects in TYK2 are the cause of protein-tyrosine kinase 2 deficiency (TYK2 deficiency) [MIM:[https://omim.org/entry/611521 611521]; also known as autosomal recessive hyper-IgE syndrome (HIES) with atypical mycobacteriosis. TYK2 deficiency consists of a primary immunodeficiency characterized by recurrent skin abscesses, pneumonia, and highly elevated serum IgE.
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/TYK2_HUMAN TYK2_HUMAN]] Probably involved in intracellular signal transduction by being involved in the initiation of type I IFN signaling. Phosphorylates the interferon-alpha/beta receptor alpha chain.<ref>PMID:7526154</ref>
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[https://www.uniprot.org/uniprot/TYK2_HUMAN TYK2_HUMAN] Probably involved in intracellular signal transduction by being involved in the initiation of type I IFN signaling. Phosphorylates the interferon-alpha/beta receptor alpha chain.<ref>PMID:7526154</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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In sharp contrast to a previously reported series of 6-anilino imidazopyridazine based Tyk2 JH2 ligands, 6-((2-oxo-N1-substituted-1,2-dihydropyridin-3-yl)amino)imidazo[1,2-b]pyridazine analogs were found to display dramatically improved metabolic stability. The N1-substituent on 2-oxo-1,2-dihydropyridine ring can be a variety of alkyl, aryl, and heteroaryl groups, but among them, 2-pyridyl provided much enhanced Caco-2 permeability, attributed to its ability to form intramolecular hydrogen bonds. Further structure-activity relationship studies at the C3 position led to the identification of highly potent and selective Tyk2 JH2 inhibitor 6, which proved to be highly effective in inhibiting IFNgamma production in a rat pharmacodynamics model and fully efficacious in a rat adjuvant arthritis model.
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Identification of Imidazo[1,2-b]pyridazine Derivatives as Potent, Selective, and Orally Active Tyk2 JH2 Inhibitors.,Liu C, Lin J, Moslin R, Tokarski JS, Muckelbauer J, Chang C, Tredup J, Xie D, Park H, Li P, Wu DR, Strnad J, Zupa-Fernandez A, Cheng L, Chaudhry C, Chen J, Chen C, Sun H, Elzinga P, D'arienzo C, Gillooly K, Taylor TL, McIntyre KW, Salter-Cid L, Lombardo LJ, Carter PH, Aranibar N, Burke JR, Weinstein DS ACS Med Chem Lett. 2019 Feb 21;10(3):383-388. doi:, 10.1021/acsmedchemlett.9b00035. eCollection 2019 Mar 14. PMID:30891145<ref>PMID:30891145</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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<div class="pdbe-citations 6nsl" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Non-specific protein-tyrosine kinase]]
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[[Category: Khan JA]]
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[[Category: Khan, J A]]
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[[Category: Muckelbauer JM]]
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[[Category: Muckelbauer, J M]]
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[[Category: Kinase]]
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[[Category: Transferase]]
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Current revision

CRYSTAL STRUCTURE OF TYROSINE KINASE 2 JH2 (PSEUDO KINASE DOMAIN) COMPLEXED WITH Compound-6c AKA 6-((1-(4-CYANOPHENY L)-2-OXO-1,2-DIHYDRO-3-PYRIDINYL)AMINO)-N-CYCLOPROPYL-8-(M ETHYLAMINO)IMIDAZO[1,2-B]PYRIDAZINE-3-CARBOXAMIDE

PDB ID 6nsl

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