7cht

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Crystal structure of TTK kinase domain in complex with compound 30Crystal structure of TTK kinase domain in complex with compound 30

Structural highlights

7cht is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.4Å
Ligands:, , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

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 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[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. Jelluma N, Brenkman AB, van den Broek NJ, Cruijsen CW, van Osch MH, Lens SM, Medema RH, Kops GJ. Mps1 phosphorylates Borealin to control Aurora B activity and chromosome alignment. Cell. 2008 Jan 25;132(2):233-46. doi: 10.1016/j.cell.2007.11.046. PMID:18243099 doi:10.1016/j.cell.2007.11.046
  2. Lee Y, Kim H, Kim H, Cho HY, Jee JG, Seo KA, Son JB, Ko E, Choi HG, Kim ND, Kim I. 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. J Med Chem. 2021 May 4. doi: 10.1021/acs.jmedchem.1c00542. PMID:33942608 doi:http://dx.doi.org/10.1021/acs.jmedchem.1c00542

7cht, resolution 2.40Å

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