• MEK1
  • MEK1/2
  • MEK2
  • MEK5

MEK1 Selective Inhibitors

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S2326 Myricetin Myricetin, a natural flavonoid with antioxidant and anti tumor properties, is a novel inhibitor of MEK1 activity and transformation of JB6 P+ mouse epidermal cells. It also inhibits PI3Kγ with Kd of 0.17 μM. Selective
S7553 GDC-0623 GDC-0623 (G-868) is a potent and ATP-uncompetitive MEK1 inhibitor with Ki of 0.13 nM. Phase 1. Selective MEK1, IC50: 0.13 nM
S2617 TAK-733 TAK-733 is a potent and selective MEK allosteric site inhibitor for MEK1 with IC50 of 3.2 nM, inactive to Abl1, AKT3, c-RAF, CamK1, CDK2, c-Met, etc. Phase 1. Selective MEK1, IC50: 3.2 nM
S8041 Cobimetinib (GDC-0973) Cobimetinib (GDC-0973, RG7420) is a potent and highly selective MEK1 inhibitor with IC50 of 4.2 nM, showing more than 100-fold selectively for MEK1 over MEK2 and showed no significant inhibition when tested against a panel of more than 100 of serine-threonine and tyrosine kinases. Cobimetinib induces apoptosis. Phase 3. Selective MEK1, IC50: 4.2 nM
S7170 RO5126766 (CH5126766) RO5126766 (CH5126766, VS 6766, CKI-27, R-7304, RG-7304) is a dual RAF/MEK inhibitor with IC50 of 8.2 nM,19 nM, 56 nM, and 160 nM for BRAF V600E, BRAF, CRAF, and MEK1, respectively. Phase 1. Selective MEK1, IC50: 160 nM
S1177 PD98059 PD98059 is a non-ATP competitive MEK inhibitor with IC50 of 2 μM in a cell-free assay, specifically inhibits MEK-1-mediated activation of MAPK; does not directly inhibit ERK1 or ERK2. PD98059 is a ligand for the aryl hydrocarbon receptor (AHR) and functions as an AHR antagonist. Selective MEK1, IC50: 2 μM
S2673 Trametinib (GSK1120212) Trametinib (GSK1120212, JTP-74057, Mekinist) is a highly specific and potent MEK1/2 inhibitor with IC50 of 0.92 nM/1.8 nM in cell-free assays, no inhibition of the kinase activities of c-Raf, B-Raf, ERK1/2. Trametinib activates autophagy and induces apoptosis. Pan MEK1, IC50: 0.92 nM
S4484 Trametinib DMSO solvate Trametinib (GSK1120212, JTP-74057, Mekinist) DMSO solvate is a highly specific and potent MEK1/2 inhibitor with IC50 of 0.92 nM/1.8 nM in cell-free assay. Trametinib activates autophagy and induces apoptosis. Pan MEK1, IC50: 0.92 nM
S1008 Selumetinib (AZD6244) Selumetinib (AZD6244, ARRY-142886) is a potent, highly selective MEK inhibitor with IC50 of 14 nM for MEK1 and Kd value of 530 nM for MEK2. It also inhibits ERK1/2 phosphorylation with IC50 of 10 nM, no inhibition to p38α, MKK6, EGFR, ErbB2, ERK2, B-Raf, etc. Selumetinib suppresses cell proliferation, migration and trigger apoptosis. Phase 3. Pan MEK1, Kd: 99 nM; MEK1, IC50: 14 nM
S1020 PD184352 (CI-1040) PD184352 (CI-1040) is an ATP non-competitive MEK1/2 inhibitor with IC50 of 17 nM in cell-based assays, 100-fold more selective for MEK1/2 than MEK5. PD184352 (CI-1040) selectively induces apoptosis. Phase 2. Pan MEK1, IC50: 17 nM
S1089 Refametinib (RDEA119) Refametinib (RDEA119, Bay 86-9766) is a potent, ATP non-competitive and highly selective inhibitor of MEK1 and MEK2 with IC50 of 19 nM and 47 nM, respectively. Pan MEK1, IC50: 19 nM
S7843 BI-847325 BI-847325 is an orally bioavailable, and selective dual MEK/Aurora kinase inhibitor with IC50 of 3 nM, 25 nM, 15 nM, 25 nM, and 4 nM for Xenopus laevis Aurora B, human Aurora A and Aurora C, as well as human MEK1 and MEK2, respectively. Phase 1. Pan MEK1, IC50: 25 nM
S1102 U0126-EtOH U0126-EtOH is a highly selective inhibitor of MEK1/2 with IC50 of 0.07 μM/0.06 μM in cell-free assays, 100-fold higher affinity for ΔN3-S218E/S222D MEK than PD98059. U0126 inhibits autophagy and mitophagy with antiviral activity. Pan MEK1, IC50: 0.07 μM
S1066 SL-327 SL327 is a selective inhibitor for MEK1/2 with IC50 of 0.18 μM/ 0.22 μM, no activity towards Erk1, MKK3, MKK4, c-JUN, PKC, PKA, or CamKII;capable of transport through the blood-brain barrier. Pan MEK1, IC50: 0.18 μM