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==Crystal structure of TTK kinase domain in complex with compound 30== | |||
<StructureSection load='7cht' size='340' side='right'caption='[[7cht]], [[Resolution|resolution]] 2.40Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[7cht]] is a 1 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=7CHT OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7CHT FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.4Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=FZO:2-[[2-methoxy-4-(2-oxidanylidenepyrrolidin-1-yl)phenyl]amino]-4-(oxan-4-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile'>FZO</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SEP:PHOSPHOSERINE'>SEP</scene>, <scene name='pdbligand=TPO:PHOSPHOTHREONINE'>TPO</scene></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=7cht FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7cht OCA], [https://pdbe.org/7cht PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7cht RCSB], [https://www.ebi.ac.uk/pdbsum/7cht PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7cht ProSAT]</span></td></tr> | |||
</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> | |||
[[Category: | </div> | ||
[[Category: | <div class="pdbe-citations 7cht" style="background-color:#fffaf0;"></div> | ||
[[Category: | |||
[[Category: | ==See Also== | ||
[[Category: Kim | *[[Dual specificity protein kinase 3D structures|Dual specificity protein kinase 3D structures]] | ||
[[Category: | == References == | ||
[[Category: | <references/> | ||
[[Category: Park | __TOC__ | ||
[[Category: Son | </StructureSection> | ||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | |||
[[Category: Cho HY]] | |||
[[Category: Choi HG]] | |||
[[Category: Kim HL]] | |||
[[Category: Kim ND]] | |||
[[Category: Ko EH]] | |||
[[Category: Lee YH]] | |||
[[Category: Park YW]] | |||
[[Category: Son JB]] | |||
Latest revision as of 19:08, 29 November 2023
Crystal structure of TTK kinase domain in complex with compound 30Crystal structure of TTK kinase domain in complex with compound 30
Structural highlights
FunctionTTK_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. See AlsoReferences
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