1. Signaling Pathways
  2. Anti-infection
    Metabolic Enzyme/Protease
  3. HCV Protease

HCV Protease

HCV NS3-4A serine protease is a complex composed of NS3 and its cofactor NS4A. It harbours serine protease as well as NTPase/RNA helicase activities and is essential for viral polyprotein processing, RNA replication and virion formation.

The HCV NS3/4A protease efficiently cleaves and inactivates two important signaling molecules in the sensory pathways that react to HCV pathogen-associated molecular patterns (PAMPs) to induce interferons (IFNs), i.e., mitochondrial antiviral signaling protein (MAVS) and Toll-IL-1 receptor domain-containing adaptor inducing IFN-β (TRIF). HCV infection is associated with chronic liver disease, including hepatic steatosis, fibrosis, cirrhosis, and hepatocellular carcinoma. The NS3-4A serine protease of HCV has been one of the most attractive targets for developing specific antiviral agents against HCV.

HCV Protease Related Products (85):

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-14434
    Asunaprevir
    Inhibitor 99.84%
    Asunaprevir (BMS-650032) is a potent and orally bioavailable hepatitis C virus (HCV) NS3 protease inhibitor, with IC50 of 0.2 nM-3.5 nM. Asunaprevir inhibits SARS-CoV-2 3CLpro activity.
    Asunaprevir
  • HY-15298
    Grazoprevir
    Inhibitor 99.90%
    Grazoprevir (MK-5172) is a selective inhibitor of Hepatitis C virus NS3/4a protease with broad activity across genotypes and resistant variants, with Kis of 0.01 nM (gt1b), 0.01 nM (gt1a), 0.08 nM (gt2a), 0.15 nM (gt2b), 0.90 nM (gt3a), respectively. Grazoprevir inhibits SARS-CoV-2 3CLpro activity.
    Grazoprevir
  • HY-10241
    Simeprevir
    Inhibitor 98.79%
    Simeprevir (TMC435; TMC435350) is an oral, potent and highly specific hepatitis C virus (HCV) NS3/4A protease inhibitor with a Ki of 0.36 nM. Simeprevir inhibits HCV replication with an EC50 of 7.8 nM. Simeprevir also potently suppresses SARS-CoV-2 replication and synergizes with Remdesivir. Simeprevir inhibits the main protease (Mpro) and the RNA-dependent RNA polymerase (RdRp) of SARS-CoV-2, and also modulates host immune responses.
    Simeprevir
  • HY-17634
    Glecaprevir
    Inhibitor 99.93%
    Glecaprevir is a novel HCV NS3/4A protease inhibitor, with IC50 values ranging from 3.5 to 11.3 nM. Glecaprevir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 4.09 μM.
    Glecaprevir
  • HY-12594
    Paritaprevir
    Inhibitor 99.84%
    Paritaprevir (ABT-450) is a potent, orally active and antiviral non-structural protein 3/4A (NS3/4A) protease inhibitor with EC50s of 1 and 0.21 nM against HCV 1a and 1b, respectively. Paritaprevir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 1.31 μM. Paritaprevir is metabolized primarily by cytochrome P450 (CYP) 3A. The plasma concentration and half-life of Paritaprevir can be enhanced by Ritonavir (a CYP450 inhibitor).
    Paritaprevir
  • HY-115516
    BI-1388
    Inhibitor
    BI-1388 is a macrocyclic acylsulfonamide-based HCV NS3-4A protease inhibitor. BI-1388 inhibits clinically relevant drug-resistant mutant strains (KRASD168V gt 1b and KRASR155K gt 1a) and exhibits high liver distribution. BI-1388 is applicable for the research of HCV infection.
    BI-1388
  • HY-19941
    Furaprevir
    Inhibitor
    Furaprevir is a potent and selective HCV NS3/4A protease inhibitor. Furaprevir can be used for genotype 1 hepatitis C research.
    Furaprevir
  • HY-10235
    Telaprevir
    Inhibitor 99.77%
    Telaprevir (VX-950) is a highly selective, reversible, and potent peptidomimetic inhibitor of the HCV NS3-4A protease, the steady-state inhibitory constant (Ki) of Telaprevir is 7 nM against a genotype 1 (H strain) NS3 protease domain plus a NS4A cofactor peptide. Telaprevir inhibits SARS-CoV-2 3CLpro activity.
    Telaprevir
  • HY-15298A
    Grazoprevir potassium salt
    Inhibitor 99.79%
    Grazoprevir potassium salt (MK-5172 potassium salt) is a selective inhibitor of Hepatitis C virus NS3/4a protease with broad activity across genotypes and resistant variants, with Kis of 0.01 nM (gt1b), 0.01 nM (gt1a), 0.08 nM (gt2a), 0.15 nM (gt2b), 0.90 nM (gt3a), respectively. Grazoprevir potassium salt inhibits SARS-CoV-2 3CLpro activity.
    Grazoprevir potassium salt
  • HY-10238
    Danoprevir
    Inhibitor 99.67%
    Danoprevir (ITMN-191) is an orally active NS3/4A protease inhibitor for hepatitis C virus (HCV) with an IC50 of 0.29 nM and is selective for NS3/4A over a panel of 53 proteases (IC50 higher than 10 μM). Danoprevir (ITMN-191) inhibits HCV genotypes 1a, 1b, 4, 5, and 6 (IC50s=0.2-0.4 nM) as well as 2b and 3a (IC50s=1.6, 3.5 nM). Danoprevir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 0.05 μM.
    Danoprevir
  • HY-19840
    Voxilaprevir
    Inhibitor 99.92%
    Voxilaprevir (GS-9857) is a noncovalent, reversible inhibitor of HCV NS3/4A protease inhibitor (PI) with pangenotypic antiviral activity. Voxilaprevir inhibits genotype 1b and 3a wild-type NS3 proteases with Ki values of 0.038 nM and 0.066 nM, respectively. Voxilaprevir is an orally active direct-acting antiviral agent (DAA) and can be used for HCV infection research.
    Voxilaprevir
  • HY-30234A
    Clemizole hydrochloride
    Inhibitor 99.99%
    Clemizole hydrochloride is an H1 histamine receptor antagonist, is found to substantially inhibit HCV replication. Clemizole hydrochloride is an inhibitor of TRPC5 channel. The IC50 of Clemizole hydrochloride for RNA binding by NS4B is 24 nM, whereas its EC50 for viral replication is 8 μM.
    Clemizole hydrochloride
  • HY-10237
    Boceprevir
    Inhibitor 98.52%
    Boceprevir (EBP 520) is a potent, highly selective, orally bioavailable HCV NS3 protease inhibitor with a Ki of 14 nM in both enzyme assay and an EC90 of 350 nM in cell-based replicon assay. Boceprevir inhibits SARS-CoV-2 3CLpro activity.
    Boceprevir
  • HY-10300
    Narlaprevir
    Inhibitor 98.15%
    Narlaprevir (SCH 900518) is a selective and orally bioavailable NS3 protease inhibitor with a Ki value of 6 nM and an EC90 value of 40 nM. Narlaprevir also inhibits the HCV nonstructural protein 3 serine protease. Narlaprevir is also a SARS-CoV 3CLpro inhibitor with an IC50 of 2.3 μM.
    Narlaprevir
  • HY-15298B
    Grazoprevir hydrate
    Inhibitor 99.99%
    Grazoprevir hydrate (MK-5172 hydrate) is a selective inhibitor of Hepatitis C virus NS3/4a protease with broad activity across genotypes and resistant variants, with Kis of 0.01 nM (gt1b), 0.01 nM (gt1a), 0.08 nM (gt2a), 0.15 nM (gt2b), 0.90 nM (gt3a), respectively. Grazoprevir hydrate inhibits SARS-CoV-2 3CLpro activity.
    Grazoprevir hydrate
  • HY-I0179
    ITMN 4077
    Inhibitor 99.65%
    ITMN 4077 is a macrocyclic inhibitor against Hepatitis C Virus (HCV) NS3 protease (EC50: 2131 nM).
    ITMN 4077
  • HY-N12586
    Pheophytin a
    Inhibitor
    Pheophytin a is a multi-target inhibitor, anticancer agent, antioxidant and antiviral agent. Pheophytin a directly binds to and inhibits HCV-NS3/4A protease (IC50=0.89 μM) to block viral replication. Pheophytin a also scavenges free radicals, reduces ferric ions, and exhibits cytotoxic activity against breast cancer cells. Pheophytin a effectively inhibits LPS-induced production of nitric oxide, prostaglandin E2, NOS2 and COX-2, as well as various pro-inflammatory cytokines, by downregulating the transcription levels of inflammatory mediators and blocking the ERK1/2 and STAT-1 pathways. In a low nerve growth factor environment, Pheophytin a also enhances ERK1/2 phosphorylation and synergistically promotes neurite outgrowth through MAPK pathway. Pheophytin a can be used to investigate the pathogenic mechanisms of diseases including chronic hepatitis C, sepsis, breast cancer and Alzheimer's disease.
    Pheophytin a
  • HY-145374
    AL-611
    Inhibitor 99.93%
    AL-611 is an HCV NS5B polymerase inhibitor (EC50 = 5 nM).
    AL-611
  • HY-117411A
    Coblopasvir dihydrochloride
    Inhibitor 99.19%
    Coblopasvir (KW-136) dihydrochloride is a pangenotypic non-structural protein 5A (NS5A) inhibitor. Coblopasvir dihydrochloride can be used for research of chronic hepatitis C virus infection.
    Coblopasvir dihydrochloride
  • HY-15256
    Faldaprevir
    Inhibitor 98.58%
    Faldaprevir (BI 201335) is a potent, orally active and selective noncovalent inhibitor of NS3/4A protease of HCV (hepatitis C virus) genotypes 1a and 1b, with Ki values of 2.6 and 2.0 nM, respectively. Faldaprevir inhibits HCV RNA replication, with EC50 values of 6.5 and 3.1 nM, respectively. Faldaprevir has potent antiviral activity against chronic HCV infection.
    Faldaprevir