MK-28 is a potent and selective activator of PERK. MK-28 exhibits an IC50 ~3-fold higher than CCT020312 in rescuing mutant huntingtin protein (mHtt)-expressing striatal neurons from apoptosis. MK-28 exhibits remarkable pharmacokinetic properties and high BBB penetration in mice.

MK-3903 is a potent and selective AMPK activator with an EC50 of 8 nM for α1 β1 γ1 subunit. It activates 10 of the 12 pAMPK complexes with EC50 values in the range of 8-40 nM and maximal activation >50%.

MK-4101, a potent inhibitor of the Hedgehog pathway, shows anti-tumor activity through the inhibition of proliferation and induction of extensive apoptosis in tumor cells.

MK-5108 is a highly selective Aurora A inhibitor with IC50 of 0.064 nM in a cell-free assay and is 220- and 190-fold more selective for Aurora A than Aurora B/C, while it inhibits TrkA with less than 100-fold selectivity. MK-5108 (VX-689) induces autophagy. Phase 1.

MK-5108 is a highly selective Aurora A inhibitor with IC50 of 0.064 nM in a cell-free assay and is 220- and 190-fold more selective for Aurora A than Aurora B/C, while it inhibits TrkA with less than 100-fold selectivity. MK-5108 (VX-689) induces autophagy. Phase 1.

MK-571 sodium salt (L-660711) is a selective, orally active antagonist of leukotriene D4 receptor. It is also an inhibitor of multidrug resistance-associated protein MRP4 (ABCC4) and ABCC1 (MRP1).

MK-8245 is an liver-targeting inhibitor of stearoyl-CoA desaturase (SCD) with IC50 of 1 nM for human SCD1 and 3 nM for both rat SCD1 and mouse SCD1, with anti-diabetic and anti-dyslipidemic efficacy. Phase 2.

MK-8245 is an liver-targeting inhibitor of stearoyl-CoA desaturase (SCD) with IC50 of 1 nM for human SCD1 and 3 nM for both rat SCD1 and mouse SCD1, with anti-diabetic and anti-dyslipidemic efficacy. Phase 2.

MK-8353 (SCH900353) is an orally bioavailable, selective, and potent ERK inhibitor that inhibits activated ERK1 and ERK2 in vitro, with IC50 values of 23.0 nM and 8.8 nM, respectively (IMAP kinase assay), and nonactivated ERK2, with an IC50 of 0.5 nM (MEK1-ERK2-coupled assay).

MK-8353 (SCH900353) is an orally bioavailable, selective, and potent ERK inhibitor that inhibits activated ERK1 and ERK2 in vitro, with IC50 values of 23.0 nM and 8.8 nM, respectively (IMAP kinase assay), and nonactivated ERK2, with an IC50 of 0.5 nM (MEK1-ERK2-coupled assay).

MK-8353 (SCH900353) is an orally bioavailable, selective, and potent ERK inhibitor that inhibits activated ERK1 and ERK2 in vitro, with IC50 values of 23.0 nM and 8.8 nM, respectively (IMAP kinase assay), and nonactivated ERK2, with an IC50 of 0.5 nM (MEK1-ERK2-coupled assay).

MK-8353 (SCH900353) is an orally bioavailable, selective, and potent ERK inhibitor that inhibits activated ERK1 and ERK2 in vitro, with IC50 values of 23.0 nM and 8.8 nM, respectively (IMAP kinase assay), and nonactivated ERK2, with an IC50 of 0.5 nM (MEK1-ERK2-coupled assay).

MK-8353 (SCH900353) is an orally bioavailable, selective, and potent ERK inhibitor that inhibits activated ERK1 and ERK2 in vitro, with IC50 values of 23.0 nM and 8.8 nM, respectively (IMAP kinase assay), and nonactivated ERK2, with an IC50 of 0.5 nM (MEK1-ERK2-coupled assay).

MK-8617 is an orally active pan-inhibitor of Hypoxia-inducible factor prolyl hydroxylase 1−3 (HIF PHD1−3), inhibiting PHD1, 2, 3 with IC50s of 1.0, 1.0 and 14 nM, respectively.

MK-8617 is an orally active pan-inhibitor of Hypoxia-inducible factor prolyl hydroxylase 1−3 (HIF PHD1−3), inhibiting PHD1, 2, 3 with IC50s of 1.0, 1.0 and 14 nM, respectively.

MK-8617 is an orally active pan-inhibitor of Hypoxia-inducible factor prolyl hydroxylase 1−3 (HIF PHD1−3), inhibiting PHD1, 2, 3 with IC50s of 1.0, 1.0 and 14 nM, respectively.

MK-8617 is an orally active pan-inhibitor of Hypoxia-inducible factor prolyl hydroxylase 1−3 (HIF PHD1−3), inhibiting PHD1, 2, 3 with IC50s of 1.0, 1.0 and 14 nM, respectively.

MK-8617 is an orally active pan-inhibitor of Hypoxia-inducible factor prolyl hydroxylase 1−3 (HIF PHD1−3), inhibiting PHD1, 2, 3 with IC50s of 1.0, 1.0 and 14 nM, respectively.

MK-8719 is a selective and potent small molecule inhibitor of the O-GlcNAcase (OGA) enzyme with ki of 7.9nM for hOGA.

MK-8719 is a selective and potent small molecule inhibitor of the O-GlcNAcase (OGA) enzyme with ki of 7.9nM for hOGA.

MK-8719 is a selective and potent small molecule inhibitor of the O-GlcNAcase (OGA) enzyme with ki of 7.9nM for hOGA.

MK-8719 is a selective and potent small molecule inhibitor of the O-GlcNAcase (OGA) enzyme with ki of 7.9nM for hOGA.

MK-8776 (SCH 900776) is a selective Chk1 inhibitor with IC50 of 3 nM in a cell-free assay. It shows 500-fold selectivity against Chk2. Phase 2.

MK-8776 (SCH 900776) is a selective Chk1 inhibitor with IC50 of 3 nM in a cell-free assay. It shows 500-fold selectivity against Chk2. Phase 2.

MK-8776 (SCH 900776) is a selective Chk1 inhibitor with IC50 of 3 nM in a cell-free assay. It shows 500-fold selectivity against Chk2. Phase 2.

MK-886 is an inhibitor of leukotriene biosynthesis, inhibiting 5-lipoxygenase-activating protein (FLAP). It is also a moderately potent PPARα antagonist.

MK-886 is an inhibitor of leukotriene biosynthesis, inhibiting 5-lipoxygenase-activating protein (FLAP). It is also a moderately potent PPARα antagonist.

MK1064 is a selective orexin 2 receptor antagonist (2-SORA) with an IC50 of 18 nM.

MK1064 is a selective orexin 2 receptor antagonist (2-SORA) with an IC50 of 18 nM.

MK2 Inhibitor III (MK2-IN-3) is an ATP-competitive MK2 (MAPKAP-K2) inhibitor with an IC50 value of 8.5 nM.