Substituted indolin-2-ones as p90 ribosomal S6 protein kinase 2 (RSK2) inhibitors: Molecular docking simulation and structure-activity relationship analysis

Ye Zhong, Mengzhu Xue, Xue Zhao, Jun Yuan, Xiaofeng Liu, Jin Huang, Zhenjiang Zhao*, Honglin Li, Yufang Xu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

A series of novel indolin-2-ones inhibitors against p90 ribosomal S6 protein kinase 2 (RSK2) were designed and synthesized and their structure-activity relationship (SAR) was studied. The most potent inhibitor, compound 3s, exhibited potent inhibition against RSK2 with an IC50 value of 0.5 μM and presented a satisfactory selectivity against 23 kinases. The interactions of these inhibitors with RSK2 were investigated based on the proposed binding poses with molecular docking simulation. Four compounds and six compounds exhibited moderate anti-proliferation activities against PC 3 cells and MCF-7 cells, respectively.

Original languageEnglish
Pages (from-to)1724-1734
Number of pages11
JournalBioorganic and Medicinal Chemistry
Volume21
Issue number7
DOIs
StatePublished - 1 Apr 2013
Externally publishedYes

Keywords

  • Kinase inhibitor
  • Molecular docking
  • RSK2

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