1. Signaling Pathways
  2. MAPK/ERK Pathway
  3. MEK

MEK

Mitogen-activated protein kinase kinase; MAPKK; MAP2K

MEK (Mitogen-activated protein kinase kinase, MAPKK) is a kinase enzyme which phosphorylates mitogen-activated protein kinases (MAPKs). The activated MAPK leads to the phosphorylation of downstream transcription factors that regulate various responses such as stress signaling, pathogen response, and hormone signaling.

In general, the MAPKKK phosphorylates a serine or threonine residue on a MAPKK, which sequentially activates a MAPK (ERK, p38 or JNK), the last protein in the cascade. Activation of the p38 MAPK occurs mainly through mitogen-activated protein kinase kinase 3 (MKK3) and MKK6 (sometimes MKK4). The JNK is regulated by two upstream MAP2Ks: MKK4 and MKK7. The highly homologous kinases, MEK1 and MEK2, act downstream of Ras and Raf to activate ERK mitogen-activated protein kinases.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-108635R
    C16-PAF (Standard)
    Activator
    C16-PAF (Standard) is the analytical standard of C16-PAF. This product is intended for research and analytical applications. C16-PAF (PAF (C16)), a phospholipid mediator, is a platelet-activating factor and ligand for PAF G-protein-coupled receptor (PAFR). C16-PAF exhibits anti-apoptotic effect and inhibits caspase-dependent death by activating the PAFR. C16-PAF is a potent MAPK and MEK/ERK activator. C16-PAF induces increased vascular permeability.
    C16-PAF (Standard)
  • HY-B0185S2
    Lidocaine-d6
    Inhibitor
    Lidocaine-d6 (Lignocaine-d6) is deuterium labeled Lidocaine. Lidocaine (Lignocaine) inhibits sodium channels involving complex voltage and using dependence. Lidocaine decreases growth, migration and invasion of gastric carcinoma cells via up-regulating miR-145 expression and further inactivation of MEK/ERK and NF-κB signaling pathways. Lidocaine is an amide derivative and has potential for the research of ventricular arrhythmia.
    Lidocaine-d<sub>6</sub>
  • HY-168288
    MEK ligand-2
    Inhibitor
    MEK ligand-2, a MEK1 and MEK2 inhibitor, is a ligand for target protein for PROTAC of MS934 (HY-153863). MS934 is a VHL-recruiting MEK 1/2 PROTAC degrader.
    MEK ligand-2
  • HY-18620R
    DZ2002 (Standard)
    Inhibitor
    DZ2002 (Standard) is the analytical standard of DZ2002. This product is intended for research and analytical applications. DZ2002 is an orally active, reversible and low-cytotoxic type III SAHH inhibitor (Ki=17.9 nM), with good immunosuppressive activity. DZ2002 prevents the development of experimental dermal fibrosis by reversing the profibrotic phenotype of various cell types. DZ2002 can be used in studies of autoimmune diseases such as lupus syndrome and systemic sclerosis.
    DZ2002 (Standard)
  • HY-14691R
    Refametinib (Standard)
    Inhibitor
    Refametinib (Standard) is the analytical standard of Refametinib. This product is intended for research and analytical applications. Refametinib (BAY 869766; RDEA119) is an orally available, potent, non-ATP-competitive, selective, allosteric MEK1/MEK2 inhibitor with IC50s of 19 nM and 47 nM, respectively.
    Refametinib (Standard)
  • HY-128393R
    Trilinolein (Standard)
    Inhibitor
    Trilinolein (Standard) is the analytical standard of Trilinolein (HY-128393). This product is intended for research and analytical applications. Trilinolein is an orally active triglyceride that inhibits the PI3K/Akt, Ras/MEK/ERK signaling pathways, and MMP-2. Trilinolein can reduce oxidative stress, induce apoptosis, and inhibit cell migration. Trilinolein can be used in the research fields of cardiovascular disease, cerebrovascular disease (such as cerebral ischemia), and non-small cell lung cancer.
    Trilinolein (Standard)
  • HY-15202S1
    Binimetinib-d3
    Inhibitor
    Binimetinib-d3 (MEK162-d3) is deuterium labeled Binimetinib. Binimetinib (MEK162) is an oral and selective MEK1/2 inhibitor. Binimetinib (MEK162) inhibits MEK with an IC50 of 12 nM.
    Binimetinib-d<sub>3</sub>
  • HY-13078R
    Cobimetinib racemate (Standard)
    Inhibitor
    Cobimetinib (racemate) (Standard) is the analytical standard of Cobimetinib (racemate). This product is intended for research and analytical applications. Cobimetinib racemate (GDC-0973 racemate; XL518 racemate) is the racemate of Cobimetinib. Cobimetinib is a potent and selective MEK inhibitor.
    Cobimetinib racemate (Standard)
  • HY-120454
    G-479
    Inhibitor
    G-479 is the inhibitor for MEK and hERG channel (IC50=14 μM). G-479 inhibits the proliferation of HCT-116 and A375 with IC50 of 0.049 μM and 0.004 μM. G-479 exhibits good metabolic stability in liver microsomes and good pharmacokinetic characteristics in rats.
    G-479
  • HY-15202R
    Binimetinib (Standard)
    Inhibitor
    Binimetinib (Standard) is the analytical standard of Binimetinib. This product is intended for research and analytical applications. Binimetinib (MEK162) is an oral and selective MEK1/2 inhibitor. Binimetinib (MEK162) inhibits MEK with an IC50 of 12 nM.
    Binimetinib (Standard)
  • HY-U00312
    MEK-IN-1
    Inhibitor
    MEK-IN-1 is a MEK inhibitor extracted from patent WO2008076415A1.
    MEK-IN-1
Cat. No. Product Name / Synonyms Application Reactivity

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