• p70 S6K
  • p70 S6K1
  • RSK1
  • RSK2
  • RSK3
  • RSK4

RSK1 Selective Inhibitors

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S6385 Prexasertib (LY2606368)

Prexasertib (LY2606368, ACR 368) is a selective ATP competitor inhibitor of Chk1 and Chk2 with IC50s of 1 nM and 8 nM in cell-free assays, respectively. Prexasertib also inhibits RSK1 with an IC50 of 9 nM in cell-free assay.

Selective RSK1, IC50: 9 nM
S7870 LJH685 LJH685 is a potent pan-RSK inhibitor with IC50 of 6 nM, 5 nM and 4 nM for RSK1, RSK2, and RSK3, respectively. Pan RSK1, IC50: 6 nM
S7871 LJI308 LJI308 is a potent, and pan-RSK (p90 ribosomal S6 kinase) inhibitor with IC50 of 6 nM, 4 nM, and 13 nM for RSK1, RSK2, and RSK3, respectively. Pan RSK1, IC50: 6 nM
S2843 BI-D1870 BI-D1870 is an ATP-competitive inhibitor of S6 ribosome for RSK1/2/3/4 with IC50 of 31 nM/24 nM/18 nM/15 nM in cell-free assays, respectively; 10- to 100-fold selectivity for RSK than MST2, GSK-3β, MARK3, CK1 and Aurora B. BI-D1870 exhibits anticancer attributes including the generation of reactive oxygen species (ROS) and increases in endoplasmic reticulum (ER) stress and autophagy. Pan RSK1, IC50: 31 nM
S7563 AT13148 AT13148 is an oral, ATP-competitive, multi-AGC kinase inhibitor with IC50 of 38 nM/402 nM/50 nM, 8 nM, 3 nM, and 6 nM/4 nM for Akt1/2/3, p70S6K, PKA, and ROCKI/II, respectively. Phase 1. Pan RSK1, IC50: 85 nM
S7752 Pluripotin (SC1) Pluripotin (SC1) is a dual inhibitor of extracellular signal-regulated kinase 1 (ERK1, MAPK3) and RasGAP. Maintains embryonic stem cell (ESC) self-renewal. Pluripotin also inhibits RSK1, RSK2, RSK3 and RSK4 with IC50 of 0.5 µM, 2.5 µM, 3.3 µM and 10.0 µM, respectively. Pan RSK1, : ; RSK1, IC50: 0.5 μM