PeptideDB

GSK2656157

CAS: 1337532-29-2 F: C23H21FN6O W: 416.45

GSK2656157 is a selective and ATP-competitive inhibitor of protein kinase R (PKR)-like endoplasmic reticulum kinase (PER
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Bioactivity GSK2656157 is a selective and ATP-competitive inhibitor of protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) with an IC50 of 0.9 nM.
Invitro GSK2656157 results in inhibition of PERK activation as well as decreases in the downstream substrates, phospho-eIF2α, ATF4, and CHOP with an IC50 in the range of 10-30 nM in the BxPC3 pancreatic tumor cell line. Cells that are exposed to 1 μM GSK2656157 before UPR induction are able to block this effect on de novo protein synthesis[1]. GSK2656157 causes the activation of another eIF2α kinase to compensate for the loss of PERK activity in HT1080 cells. GSK2656157 inhibits the growth of the HT1080 cells[2]. GSK2656157 inhibits LPS-induced IL-1β production, LPS-induced Caspase 1 activation and LPS-induced eIF-2α phosphorylation, but does not inhibit LPS-induced TNF-α production[3].
Name GSK2656157
CAS 1337532-29-2
Formula C23H21FN6O
Molar Mass 416.45
Transport Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month