2. Signaling Pathways
  3. Cell Cycle/DNA Damage
  4. PERK

PERK

Protein kinase R-like endoplasmic reticulum kinase; PKR-like endoplasmic reticulum kinase

PERK

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Protein kinase R (PKR)-like endoplasmic reticulum kinase (PERK) is one of four known kinases that respond to cellular stress by deactivating the eukaryotic initiation factor 2 α (eIF2α) or other signal transduction cascades. PERK is highly expressed in pancreatic beta-cells and is essential in the beta-cell's development, differentiation and function.

PERK is a type I ER membrane protein containing a stress-sensing domain facing the ER lumen, a transmembrane segment, and a cytosolic kinase domain. Increase in unfolded proteins in the ER causes release of ER chaperones from the stress-sensing domain of PERK, which results in its activation via oligomerization and autophosphorylation at multiple serine, threonine, and tyrosine residues. Upon activation, PERK phosphorylates eIF2α at serine 51, rendering it an inhibitor of the ribosome translation initiation complex, consequently reducing overall protein synthesis. The reduction in translation reduces the ER burden, providing time for the cell to process or degrade the accumulated unfolded proteins to restore ER homeostasis. Although global protein synthesis is decreased, there is specific increased translation of certain mRNAs, such as ATF4, which modulate cellular survival pathways and enhance UPR function. Interfering with PERK function in cancer cells may limit their ability to thrive under hypoxia or nutrient deprived conditions and lead to apoptosis or tumor growth inhibition.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-18318
    Takeda-6D
    		Inhibitor 99.41%
    Takeda-6D (compound 6d) is an orally active and potent BRAF/VEGFR2 inhibitor, with IC50 values of 7.0 and 2.2 nM, respectively. Takeda-6D shows antiangiogenesis by suppressing the VEGFR2 pathway in 293/KDR and VEGF-stimulated HUVEC cells.Takeda-6D shows significant suppression of ERK1/2 phosphorylation. Takeda-6D shows antitumor activity.
    Takeda-6D
  • HY-175560
    SOS1-IN-22
    		Inhibitor
    SOS1-IN-22 is a son of sevenless homolog 1 (SOS1) inhibitor. SOS1-IN-22 can inhibit KRAS-G12C/SOS1 complex formation with an IC50 value of 40.28 nM. SOS1-IN-22 can reduce phosphorylation ERK levels. SOS1-IN-22 can be used for the research of cancer, such as pancreatic carcinoma and appendiceal carcinoma.
    SOS1-IN-22
  • HY-178009
    EGFR-IN-175
    		Inhibitor
    EGFR-IN-175 is an orally active and selective EGFRL858R/T790M/C797S inhibitor with an IC50 of 18.94 nM. EGFR-IN-175 can induce cell apoptosis and cause G1 phase arrest. EGFR-IN-175 can downregulate p-EGFR, p-AKT, and p-ERK expression. EGFR-IN-175 can be used for the research of cancer, such as lung cancer.
    EGFR-IN-175
  • HY-144692
    MEK/PI3K-IN-1
    		Inhibitor
    MEK/PI3K-IN-1 (compound 6r) is a potent MEK/PI3K inhibitor, with IC50 values of 124 nM (MEK1), 130 nM (PI3Kα), and 236 nM (PI3Kδ), respectively. MEK/PI3K-IN-1 suppresses pAKT and pERK1/2 levels. MEK/PI3K-IN-1 shows anti-proliferative activity against tumor cell lines.
    MEK/PI3K-IN-1
  • HY-120093
    GAT100
    		Inhibitor
    GAT100 is a negative allosteric modulator and covalent allosteric probe for cannabinoid receptor type 1 (CB1R). GAT100 acts as a positive allosteric modulator for orthosteric agonist CP55,940 binding to regulate the CB1R signaling pathway. GAT100 reduces the potency and efficacy of orthosteric CB1R agonists in terms of β-arrestin 1 recruitment, phosphorylation of PLCβ3 and ERK1/2, cAMP accumulation, and CB1R internalization. GAT100 is applicable to the research of psychobehavioral and somatic diseases.
    GAT100
  • HY-N0231R
    Bavachalcone (Standard)
    		Inhibitor
    Bavachalcone (Standard) is the analytical standard of Bavachalcone. This product is intended for research and analytical applications. Bavachalcone is a potent inducer of apoptosis. Bavachalcone exerts anticancer activity by promoting autophagy and apoptosis in HepG2 cells. Bavachalcone acts as an anti-neuroinflammatory and antidepressant through the NF-κB pathway. Bavachalcone inhibits osteoclasts by interfering with ERK and Akt signaling pathways and the expression of c-Fos and NFATc1. Bavachalcone exhibits a significant inhibitory effect on baculovirus-expressed BACE-1 in vitro.
    Bavachalcone (Standard)
  • HY-152168
    NSC 295642
    NSC 295642 is a phosphatase inhibitor. NSC 295642 can significantly increase phospho-Erk cytonuclear differences in intact cells. NSC 295642 can be used for the research of cancer.
    NSC 295642
  • HY-183674
    MEK-IN-10
    		Inhibitor
    MEK-IN-10 is an orally active pan-MEK/RAF non-degrading molecular glue with an IC50 of 782 nM against human MEK1. MEK-IN-10 blocks the phosphorylation of MEK and ERK, induces and stabilizes the MEK1-RAF complex, and disrupts the RAS-MAPK signaling pathway. MEK-IN-10 induces apoptosis in cancer cells and arrests cells at the G0/G1 phase. MEK-IN-10 induces tumor growth inhibition in mouse xenograft models. MEK-IN-10 can be used in the research of RAS-driven cancers, such as colorectal cancer and pancreatic cancer.
    MEK-IN-10
  • HY-P11467
    Gy-CATH
    		Activator
    Gy-CATH is an anionic antimicrobial peptide. Gy-CATH activates MAPK and NF-κB signaling pathways (elevated levels of phospho-ERK, -p38, -JNK, -p65, and -IκBα). Gy-CATH upregulates the expression levels of three physiological anticoagulant pathways. Gy-CATH inhibits ADP-, Collagen-, and PMA-induced platelet aggregation. Gy-CATH has no direct antimicrobial activity, but shows significant preventive abilities against mice infected with Staphylococcus aureus, Escherichia coli, and Methicillin (HY-121544)-resistant Staphylococcus aureus. Gy-CATH exhibits potent immunomodulatory activity, enhancing macrophage-and neutrophil-mediated bactericidal functions. Gy-CATH significantly reduces the extent of pulmonary fibrin deposition and prevents thrombosis in mice.
    Gy-CATH
  • HY-178812
    PI3Kα-IN-27
    		Inhibitor
    PI3Kα-IN-27 (Compound 50b) is an orally active PI3K-α inhibitor, with an IC50 of 40 nM. PI3Kα-IN-27 effectively inhibits PAK3, p110α, phospho-mTOR and phospho-ERK1/2. PI3Kα-IN-27 induces early Apoptosis. PI3Kα-IN-27 shows anticancer activity against pancreatic cancer, lung cancer, breast cancer.
    PI3Kα-IN-27
  • HY-112385
    ABC294735
    		Inhibitor
    ABC294735 is an orally active SK1/SK2 inhibitor. Combination of ABC294735 with Sorafenib (HY-10201) reduces pERK. ABC294735 exhibits anticancer activity against pancreatic adenocarcinoma and renal cell carcinoma. ABC294735 can be used in research related to pancreatic adenocarcinoma and renal cell carcinoma.
    ABC294735
  • HY-181726
    BRAFV600E/ABL2-IN-2
    		Inhibitor
    BRAFV600E/ABL2-IN-2 is a dual BRAFV600E and ABL2 kinase inhibitor, with an IC50 of 0.088 μM against human BRAFV600E and an IC50 of 0.3 μM against human ABL2. BRAFV600E/ABL2-IN-2 reduces the phosphorylation levels of downstream ERK1/2 and CrkL in melanoma cells. BRAFV600E/ABL2-IN-2 decreases the expression of P-glycoprotein (P-glycoprotein) in melanoma cells. BRAFV600E/ABL2-IN-2 induces G1 cell cycle arrest and apoptosis (Apoptosis) in melanoma cells. BRAFV600E/ABL2-IN-2 is applicable to relevant research on melanoma.
    BRAFV600E/ABL2-IN-2
  • HY-178939
    EGFR-IN-181
    		Inhibitor
    EGFR-IN-181 is an orally active, potent, brain-penetrant EGFRL858R/T790M/C797S triple mutations inhibitor (IC50 = 1.32 nM). EGFR-IN-181 can inhibit EGFR phosphorylation (p-EGFR) and phosphorylation of its downstream signaling proteins AKT (p-AKT) and ERK (p-ERK). EGFR-IN-181 can induce apoptosis and cause G2 phase arrest. EGFR-IN-181 can be used for the study of non-small cell lung cancer (NSCLC) and brain metastases.
    EGFR-IN-181
  • HY-183569
    CSF1R-IN-27
    		Inhibitor
    CSF1R-IN-27 is a CSF1R inhibitor with oral effectiveness, kinome-wide selective profile, low cellular cytotoxicity, and CSF1R IC50 values of 19 nM, 88 nM, 173 nM, 797 nM, 1448 nM, and >3000 nM. CSF1R-IN-27 suppresses M-CSF-induced phosphorylation of CSF1R, AKT, and ERK in macrophages, and inhibits hepatic p-CSF1R/p-AKT/p-ERK signaling. CSF1R-IN-27 reduces serum transaminase levels, improves hepatic histopathology, alleviates inflammatory cell infiltration, and decreases circulating TNF-α and IL-6 levels. CSF1R-IN-27 can be used for the research of acute liver injury.
    CSF1R-IN-27
  • HY-116214S
    Cyprodinil-d5
    		Inducer
    Cyprodinil-d5(CGA-219417-d5) is the deuterium labeled Cyprodinil (HY-116214). Cyprodinil (CGA-219417) is a broad-spectrum anilinopyrimidine fungicide and an activator of the aryl hydrocarbon receptor. Cyprodinil also has anti-androgenic and androgenic activities. Cyprodinil can inhibit the biosynthesis of methionine in plant-pathogenic fungi and protect fruits and vegetables from a variety of pathogens.
    Cyprodinil-d<sub>5</sub>
  • HY-173153
    BRAFV600E/JNK-IN-1
    		Inhibitor
    BRAFV600E/JNK-IN-1 (Compound 14c) is an inhibitor of JNK1, JNK2, JNK3 and BRAFV600E, with IC50 values of 0.51 μM, 0.53 μM, 1.02 μM and 0.009 μM, respectively. BRAFV600E/JNK-IN-1 can inhibit the phosphorylation of MEK1/2 and ERK1/2. In addition, BRAFV600E/JNK-IN-1 can inhibit tumor cell proliferation, NO release and PGE2 production, and has anti-tumor and anti-inflammatory activities.
    BRAFV600E/JNK-IN-1
  • HY-P10780
    RFRP-3 (mouse)
    		Inhibitor 98.82%
    RFRP-3 (mouse) is a functional ortholog of avian gonadotropin inhibitory hormone (GnIH), binding to GPR147. RFRP-3 (mouse) reduces Progesterone synthesis by inhibiting FSHR and key enzymes involved in steroidogenesis (P450scc, 3β-HSD, StAR). RFRP-3 (mouse) induces Apoptosis (increase of p53). RFRP-3 (mouse) also suppresses the ERK signaling pathway. RFRP-3 (mouse) can be used for research of follicular development.
    RFRP-3 (mouse)
  • HY-168442
    KRAS inhibitor-40
    		Inhibitor
    KRAS inhibitor-40 (Compound 41) is a KRAS inhibitor that interferes with the KRAS G12C-BRAF complex. KRAS inhibitor-40 inhibits the ERK phosphorylation of KRAS downstream signaling pathway. KRAS inhibitor-40 can inhibit the proliferation of tumor cells with different KRAS mutation types and has antitumor activity.
    KRAS inhibitor-40
  • HY-168493
    FLT3/VEGFR2-IN-1
    		Inhibitor
    FLT3/VEGFR2-IN-1 (Compound 26) is a FLT3/VEGFR2/HDAC inhibitor with IC50 values of 14.5 nM, 3.9 nM, and 30.8 nM for FLT3, VEGFR2, and HDAC1, respectively. FLT3/VEGFR2-IN-1 can inhibit the phosphorylation of STAT3 and ERK1/2 and the proliferation of leukemia cells. FLT3/VEGFR2-IN-1 has anti-tumor activity and can be used for the research of acute myeloid leukemia.
    FLT3/VEGFR2-IN-1
  • HY-P990661
    SAIT-301
    		Inhibitor
    SAIT-301 is a Met-targeting monoclonal antibody. SAIT-301 inhibits Met activation, induces downregulated expression of phosphorylated Met(p-Met) and phosphorylated ERK(p-ERK), and reduces EGR-1 expression. SAIT-301 inhibits the migration and invasion of nasopharyngeal carcinoma cells. SAIT-301 is applicable to relevant research on nasopharyngeal carcinoma. For the isotype control of SAIT-301, refer to Human IgG1 kappa, Isotype Control (HY-P99001).
    SAIT-301
Cat. No. Product Name / Synonyms Application Reactivity