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-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-158198
    PRXS571
    		Modulator
    PRXS571 is a potent modulator of the neuronal integrated stress response (ISR) and can be used in neural-related research.
    PRXS571
  • 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-164026
    ISR modulator-1
    		Modulator
    ISR modulator-1 (Compound 212) is a modulator for integrated stress response pathway (ISR)
    ISR modulator-1
  • 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-155337
    eIF4E-IN-6
    		Inhibitor
    eIF4E-IN-6(compound 4b) is a GMP analogs synthesized to targeteIF4Eand restrain its binding to cap mRNA.eIF4E-IN-6shows cell cytotoxicity against Caco-2, HepG-2,and MCF-7 cells, withIC50values of 31, 27, and 21 μM, respectively.
    eIF4E-IN-6
  • 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
  • HY-163479
    MNK1/2-IN-7
    		Inhibitor
    MNK1/2-IN-7 (compound 20j) is an orally available inhibitor of MNK1/2 with anticancer activity and hERG safety. MNK1/2-IN-7 also inhibits the phosphorylation of eIF4E, inhibiting the MNK/eIF4E signaling pathway and cancer cell proliferation. MNK1/2-IN-7 is synergistic with Ibrutinib (HY-109970).
    MNK1/2-IN-7
  • HY-164524
    SBI-0640726
    		Inhibitor
    SBI-0640726 is an eIF4G1 inhibitor with antiproliferative activity in melanoma. SBI-0640726 disrupts the eIF4F translation initiation complex by inhibiting AKT and NF-kB signaling pathways. SBI-0640726 inhibits the growth of NRAS and BRAF mutant melanoma in vitro.
    SBI-0640726
Cat. No. Product Name / Synonyms Application Reactivity