IC 261

  • Chemical Properties
CAS No. 186611-52-9 Cat. No. BCP16652
Name IC 261
Synonyms IC-261;IC261;SU5607; SU-5607; SU 5607; SU 5607;
Formula C18H17NO4 M. Wt 311.33
  • Biological Activity
Description SU5607, also known as IC-261, is a potent and selective CK1 inhibitor. IC261 triggers the mitotic checkpoint and induces p53-dependent postmitotic effects. At low micromolar concentrations IC261 inhibits cytokinesis causing a transient mitotic arrest. IC261 induces cell cycle arrest and apoptosis of human cancer cells via CK1δ/ɛ and Wnt/β-catenin independent inhibition of mitotic spindle formation. IC261 binds to tubulin with an affinity similar to colchicine and is a potent inhibitor of microtubule polymerization. This activity accounts for many of the diverse biological effects of IC261 and, most importantly, for its selective cancer cell killing.
Pathways Cell Cycle/DNA Damage Wnt/Stem Cell 
Targets Casein Kinase 

Structure

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