Fas-activated serine/threonine kinase

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Fas-activated serine/threonine kinase
EC number2.7.11.8
IntEnzIntEnz view
ExPASyNiceZyme view
MetaCycmetabolic pathway
PDB structuresRCSB PDB PDBe PDBsum

In enzymology, a Fas-activated serine/threonine kinase (EC is an enzyme that catalyzes the chemical reaction

ATP + [Fas-activated serine/threonine protein] ADP + [Fas-activated serine/threonine phosphoprotein]

Thus, the two substrates of this enzyme are ATP and Fas-activated serine/threonine protein, whereas its two products are ADP and Fas-activated serine/threonine phosphoprotein.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups protein-serine/threonine kinases. The systematic name of this enzyme class is ATP:[Fas-activated serine/threonine protein] phosphotransferase. Other names in common use include FAST, FASTK, and STK10.


  • Tian Q, Taupin J, Elledge S, Robertson M, Anderson P (1995). "Fas-activated serine/threonine kinase (FAST) phosphorylates TIA-1 during Fas-mediated apoptosis". J. Exp. Med. 182 (3): 865–74. doi:10.1084/jem.182.3.865. PMC 2192163. PMID 7544399.
  • Li W, Simarro M, Kedersha N, Anderson P (2004). "FAST is a survival protein that senses mitochondrial stress and modulates TIA-1-regulated changes in protein expression". Mol. Cell. Biol. 24 (24): 10718–32. doi:10.1128/MCB.24.24.10718-10732.2004. PMC 533970. PMID 15572676.