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==Crystal structure of TTK kinase domain in complex with compound 19== | ==Crystal structure of TTK kinase domain in complex with compound 19== | ||
<StructureSection load='7clh' size='340' side='right'caption='[[7clh]]' scene=''> | <StructureSection load='7clh' size='340' side='right'caption='[[7clh]], [[Resolution|resolution]] 2.90Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7CLH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7CLH FirstGlance]. <br> | <table><tr><td colspan='2'>[[7clh]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7CLH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7CLH FirstGlance]. <br> | ||
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7clh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7clh OCA], [https://pdbe.org/7clh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7clh RCSB], [https://www.ebi.ac.uk/pdbsum/7clh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7clh ProSAT]</span></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=G5C:2-[[2-methoxy-4-(2-oxidanylidenepyrrolidin-1-yl)phenyl]amino]-4-(methylamino)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile'>G5C</scene></td></tr> | ||
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene>, <scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene></td></tr> | |||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TTK, MPS1, MPS1L1 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | |||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Dual-specificity_kinase Dual-specificity kinase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.12.1 2.7.12.1] </span></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7clh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7clh OCA], [https://pdbe.org/7clh PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7clh RCSB], [https://www.ebi.ac.uk/pdbsum/7clh PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7clh ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Function == | |||
[[https://www.uniprot.org/uniprot/TTK_HUMAN TTK_HUMAN]] Phosphorylates proteins on serine, threonine, and tyrosine. Probably associated with cell proliferation. Essential for chromosome alignment by enhancing AURKB activity (via direct CDCA8 phosphorylation) at the centromere, and for the mitotic checkpoint.<ref>PMID:18243099</ref> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Triple-negative breast cancer (TNBC) is an aggressive breast-cancer subtype associated with poor prognosis and high relapse rates. Monopolar spindle 1 kinase (MPS1) is an apical dual-specificity protein kinase that is over-expressed in TNBC. We herein report a highly selective MPS1 inhibitor based on a 7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile scaffold. Our lead optimization was guided by key X-ray crystal structure analysis. In vivo evaluation of candidate (9) is shown to effectively mitigate human TNBC cell proliferation. | |||
X-ray Crystal Structure-Guided Design and Optimization of 7H-Pyrrolo[2,3-d]pyrimidine-5-carbonitrile Scaffold as a Potent and Orally Active Monopolar Spindle 1 Inhibitor.,Lee Y, Kim H, Kim H, Cho HY, Jee JG, Seo KA, Son JB, Ko E, Choi HG, Kim ND, Kim I J Med Chem. 2021 May 4. doi: 10.1021/acs.jmedchem.1c00542. PMID:33942608<ref>PMID:33942608</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 7clh" style="background-color:#fffaf0;"></div> | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Dual-specificity kinase]] | |||
[[Category: Human]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Cho | [[Category: Cho, H Y]] | ||
[[Category: Choi | [[Category: Choi, H G]] | ||
[[Category: Kim | [[Category: Kim, H L]] | ||
[[Category: Kim | [[Category: Kim, N D]] | ||
[[Category: Ko | [[Category: Ko, E H]] | ||
[[Category: Lee | [[Category: Lee, Y H]] | ||
[[Category: Park | [[Category: Park, Y W]] | ||
[[Category: Son | [[Category: Son, J B]] | ||
[[Category: Kinase mps1 ttk structure-guided drug design]] | |||
[[Category: Transferase]] | |||
Revision as of 15:32, 9 June 2021
Crystal structure of TTK kinase domain in complex with compound 19Crystal structure of TTK kinase domain in complex with compound 19
Structural highlights
Function[TTK_HUMAN] Phosphorylates proteins on serine, threonine, and tyrosine. Probably associated with cell proliferation. Essential for chromosome alignment by enhancing AURKB activity (via direct CDCA8 phosphorylation) at the centromere, and for the mitotic checkpoint.[1] Publication Abstract from PubMedTriple-negative breast cancer (TNBC) is an aggressive breast-cancer subtype associated with poor prognosis and high relapse rates. Monopolar spindle 1 kinase (MPS1) is an apical dual-specificity protein kinase that is over-expressed in TNBC. We herein report a highly selective MPS1 inhibitor based on a 7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile scaffold. Our lead optimization was guided by key X-ray crystal structure analysis. In vivo evaluation of candidate (9) is shown to effectively mitigate human TNBC cell proliferation. X-ray Crystal Structure-Guided Design and Optimization of 7H-Pyrrolo[2,3-d]pyrimidine-5-carbonitrile Scaffold as a Potent and Orally Active Monopolar Spindle 1 Inhibitor.,Lee Y, Kim H, Kim H, Cho HY, Jee JG, Seo KA, Son JB, Ko E, Choi HG, Kim ND, Kim I J Med Chem. 2021 May 4. doi: 10.1021/acs.jmedchem.1c00542. PMID:33942608[2] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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