2. Signaling Pathways
  3. Cell Cycle/DNA Damage
  4. Eukaryotic Initiation Factor (eIF)

Eukaryotic Initiation Factor (eIF)

Eukaryotic Initiation Factor (eIF)

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Eukaryotic initiation factors (eIFs) are proteins involved in the initiation phase of eukaryotic translation. These proteins help stabilize the formation of the functional ribosome around the start codon and also provide regulatory mechanisms in translation initiation.

Eukaryotic initiation factor 2B (eIF2B) is a guanine nucleotide-exchange factor which mediates the exchange of GDP (bound to initiation factor eIF2) for GTP, thus regenerating the active [eIF2.GTP] complex that is required for peptide-chain initiation. The activity of eIF2B is a key control point for eukaryotic protein synthesis and is altered in response to viral infection, hormones, nutrients, growth factors and certain stresses.

Eukaryotic translation initiation factor 4E (eIF4E) is best known for its function in the initiation of protein synthesis on capped mRNAs in the cytoplasm. Eukaryotic initiation factor (elF) 4A functions as a subunit of the initiation factor complex elF4F, which mediates the binding of mRNA to the ribosome.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-129769
    CMLD012073
    		Inhibitor
    CMLD012073 is an amidino-rocaglates and is a potent eukaryotic initiation factor 4A (eIF4A) inhibitor. CMLD012073 inhibits the growth of NIH/3T3 cells with an IC50 of 10 nM. CMLD012073 inhibits eukaryotic translation initiation by modifying the behavior of the RNA helicase (eIF4A).
    CMLD012073
  • HY-129768
    CMLD012072
    		Inhibitor
    CMLD012072 is an amidino-rocaglates and is a potent eukaryotic initiation factor 4A (eIF4A) inhibitor. CMLD012072 can induce RNA clamping of eIF4A1 and eIF4A2 and possess potent anti-neoplastic activity.
    CMLD012072
  • HY-145361
    eIF4A3-IN-7
    		Inhibitor
    eIF4A3-IN-7 is a potent inhibitor of eIF4A3. eIF4A3-IN-7 has the potential for researching cancer and other dysproliferative diseases (extracted from patent WO2019161345A1, Compound 8).
    eIF4A3-IN-7
  • HY-145240
    eIF4E-IN-1
    		Inhibitor
    eIF4E-IN-1 is a potent inhibitor of eIF4E. eIF4E-IN-1 inhibits immunosuppression components such as immune checkpoint proteins PD-1, PD-L1, LAG3, TIM3, and/or IDO, in order to inhibit or release immune suppression in certain diseases, such as cancer and infectious disease (extracted from patent WO2021003194A1, compound Y).
    eIF4E-IN-1
  • HY-149555
    DNL343
    		Activator
    DNL343 is a brain-penetrating activator of eukaryotic initiation factor 2B (eIF2B) that inhibits the abnormal integrated stress response (ISR). DNL343 inhibits ISR activity in the central nervous system (CNS) and reverses neurodegeneration and neuroinflammation. DNL343 also prevents motor dysfunction and premature death in eIF2B loss-of-function (LOF) mutant mice. DNL343 has inhibitory potential in studies of vanishing white matter disease (VWMD) driven by eIF2B LOF and chronic ISR activation.
    DNL343
  • HY-139872
    eIF4A3-IN-4
    		Inhibitor
    eIF4A3-IN-4 is a novel eIF4A inhibitor with an IC50 value of 8.6 μM.
    eIF4A3-IN-4
  • HY-146805
    EB1
    		Inhibitor
    EB1 is the inhibitor of kinases MNK with IC50s of 0.69 μM (MNK1) and 9.4 μM (MNK2). EB1 selectively inhibits the growth of cancer cells, but not normal cells. EB1 also increases cell apoptosis and suppresses eIF4E phosphorylation.
    EB1
  • HY-155676
    eIF4E-IN-5
    		Inhibitor
    eIF4E-IN-5 (Compound 6n) is a eIF4E cell-permeable inhibitor. eIF4E-IN-5 can bind to capped mRNA to inhibit cap-dependent translation.
    eIF4E-IN-5
  • HY-145359
    eIF4A3-IN-5
    		Inhibitor
    eIF4A3-IN-5 is a potent inhibitor of eukaryotic initiation factor 4A (eIF4A), such as eIF4AI and eIF4AII. eIF4A3-IN-5 has the potential for the research of eIF4A dependent diseases, including the research of cancer (extracted from patent US20170145026A1).
    eIF4A3-IN-5
  • HY-149543
    BTM-3528
    		Activator
    BTM-3528 is an activator of the mitochondrial protease OMA1 and mediates excessive activation of the mitochondrial integrated stress response (ISR). BTM-3528 stimulates OMA1-dependent DELE1 and OPA1 cleavage and mitochondrial fragmentation. BTM-3528 activates eIF2α kinase HRI, inducing cell growth arrest and apoptosis. BTM-3528 has anticancer activity against multiple DLBCL cell lines and has in vivo inhibitory potency in a mouse model xenografted with human DLBCL SU-DHL-10 cells.
    BTM-3528
  • HY-145360
    eIF4A3-IN-6
    		Inhibitor
    eIF4A3-IN-6 is a potent inhibitor of eukaryotic initiation factor 4A (eIF4A), such as eIF4AI and eIF4AII. eIF4A3-IN-6 has the potential for the research of eIF4A dependent diseases, including the research of cancer (extracted from patent US20170145026A1).
    eIF4A3-IN-6
Cat. No. Product Name / Synonyms Application Reactivity