2. Signaling Pathways
  3. Anti-infection
  4. Virus Protease

Virus Protease

Virus Protease

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Viral proteases are enzymes encoded by the genetic material (DNA or RNA) of viral pathogens. Viral proteases catalyze the cleavage of specific peptide bonds in viral polyprotein precursors or in cellular proteins. Viral proteases may use different catalytic mechanisms involving either serine, cysteine or aspartic acid residues to attack the scissile peptide bond. Selective recognition of these sequence patterns by a complementary substrate binding site of the enzyme ensures a high degree of specific recognition and cleavage.

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is the cause of the respiratory illness coronavirus disease 2019 (COVID-19). Initial spike protein priming by transmembrane protease, serine 2 (TMPRSS2) is essential for entry of SARS-CoV-2. After a SARS-CoV-2 virion attaches to a target cell, the cell's protease TMPRSS2 cuts open the spike protein of the virus, exposing a fusion peptide.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-N12697A
    Polycarpine hydrochloride
    		Inhibitor 98.05%
    Polycarpine hydrochloride (1a) is a broad-spectrum Mpro inhibitor (IC50 = 30 nM) that can be isolated from the Polycarpa aurata and also serves as an anti-coronaviral agent. Polycarpine hydrochloride possesses antiviral and antifungal activities, with IC50 values of 30.0 nM and 0.12 μM against SARS-CoV-2 Mpro and PEDV Mpro, respectively.
    Polycarpine hydrochloride
  • HY-B1290S2
    2-Phenylethanol-d5
    		98.3%
    2-Phenylethanol-d5 is the deuterium labeled 2-Phenylethanol. 2-Phenylethanol (Phenethyl alcohol), extracted from rose, carnation, hyacinth, Aleppo pine, orange blossom and other organisms, is a colourless liquid. It has a pleasant floral odor and also an autoantibiotic produced by the fungus Candida albicans. It is used as an additive in cigarettes and also used as a preservative in soaps due to its stability in basic conditions.
    2-Phenylethanol-d<sub>5</sub>
  • HY-N0470S5
    L-Lysine-d9 hydrochloride
    		Inhibitor 99.09%
    L-Lysine-d9 (hydrochloride) is the deuterium labeled L-Lysine. L-lysine hydrochloride is an essential amino acid for humans with various benefits including treating herpes, increasing calcium absorption, reducing diabetes-related illnesses and improving gut health.
    L-Lysine-d<sub>9</sub> hydrochloride
  • HY-175029
    ALG-097558
    		Inhibitor
    ALG-097558 is an orally active 3CLpro inhibitor. ALG-097558 demonstrates pan-coronavirus activity against various SARS-CoV-2 variants as well as other human coronaviruses (HCoVs) such as SARS-CoV-1, α-HCoV 229E, and β-HCoV OC43. ALG-097558 demonstrates potent inhibition with IC50s of 2 nM (SARS-CoV-2 3CLpro) and 6 nM (229E 3CLpro). ALG-097558 demonstrates antiviral activity in the SARS-CoV-2 hamster infection model. ALG-097558 can be used for the study of viral infections[1].
    ALG-097558
  • HY-162484
    GZNL-P36
    		Inhibitor 98.97%
    GZNL-P36 is an orally active inhibitor for SARS-CoV-2 papain-like protease (PLpro), with an IC50 of 6.45 nM. GZNL-P36 inhibits SARS-CoV and its variants with EC50 range from 58.2 nM to 2.66 μM. GZNL-P36 exhibits a peak plasma concentration Cmax of 549 ng/mL, a half-life T1/2 of 1.45 h and a bioavailability of 74.7% in CD-1 mouse. GZNL-P36 exhibits antiviral activity in SARS-CoV-2 XXB.1 infection in mouse.
    GZNL-P36
  • HY-N0110A
    Palmatine
    		Inhibitor
    Palmatine is an orally active and irreversible indoleamine 2,3-dioxygenase 1 (IDO-1) inhibitor with IC50s of 3 μM and 157μM against HEK 293-hIDO-1 and rhIDO-1, respectively. Palmatine can also inhibit West Nile virus (WNV) NS2B-NS3 protease in an uncompetitive manner with an IC50 of 96 μM. Palmatine shows anti-cancer, anti-oxidation, anti-inflammatory, neuroprotection, antibacterial, anti-viral activities.
    Palmatine
  • HY-P11032
    Mp-4D7-pF2
    		Inhibitor 99.39%
    Mp-4D7-pF2, a cell-penetrating bicyclic peptide, is a noncovalent SARS-CoV-2 main protease inhibitor with an IC50 of 4.51 μM. Mp-4D7-pF2 has an antiviral activity against SARS-CoV-2 with no cytotoxicity. Mp-4D7-pF2 can used for COVID-19 infections research.
    Mp-4D7-pF2
  • HY-162022
    BTA-188
    		Inhibitor 98.60%
    BTA-188, a pyridazinyl oxime ether, is an orally active, potent inhibitor of rhinoviruses (HRV) and enterovirus (EV) 71 in vitro. BTA-188 inhibits HRV-2 replication with an IC50 of 0.8 nM and an IC90 of 11 nM. BTA-188 inhibits enterovirus with an IC50 of 82 and an IC90 of 109 nM. BTA-188 is a potential chemotherapeutic agent for infections caused by the viruses in the Picornaviridae.
    BTA-188
  • HY-108325R
    Brequinar (Standard)
    		Inhibitor
    Brequinar (Standard) is the analytical standard of Brequinar. This product is intended for research and analytical applications. Brequinar (DUP785) is a potent inhibitor of dihydroorotate dehydrogenase (DHODH) with an IC50 of 5.2 nM for human DHODH. Brequinar has potent activities against a broad spectrum of viruses. Brequinar also has an anti-SARS2 activity.
    Brequinar (Standard)
  • HY-181990
    IRBM-Z-1
    		Inhibitor 98.61%
    IRBM-Z-1 is a non-competitive inhibitor of Zika virus (ZIKV) NS2B-NS3 protease, with an IC50 of 1.8 μM. IRBM-Z-1 also exhibits inhibitory activity against the NS2B-NS3 proteases of T156I-mutated dengue virus 2 (DENV2) and West Nile virus (WNV), with IC50 values of 3.9 μM and 4.7 μM, respectively. IRBM-Z-1 inhibits ZIKV replication, attenuates virus-induced cytopathic effects. IRBM-Z-1 is applicable to research related to ZIKV infection.
    IRBM-Z-1
  • HY-N16395
    Jensenone
    		Inhibitor
    Jensenone is an acylphloroglucinol derivative. Jensenone binds to COVID-19 proteinase in molecular docking studies. Jensenone can be used as a COVID-19 Mpro inhibitor.
    Jensenone
  • HY-W761987
    2-Deoxy-2-fluoro-D-mannose
    		99.9%
    2-Deoxy-2-fluoro-D-mannose is an antiviral mannose analogue, inhibited the dolichol cycle of protein glycosylation.
    2-Deoxy-2-fluoro-D-mannose
  • HY-A0281S3
    4-Phenylbutyric acid-d4
    		99.70%
    4-Phenylbutyric acid-d2 is the deuterium labeled 4-Phenylbutyric acid. 4-Phenylbutyric acid (4-PBA) is an inhibitor of HDAC and endoplasmic reticulum (ER) stress, used in cancer and infection research.
    4-Phenylbutyric acid-d<sub>4</sub>
  • HY-135860
    SARS-CoV-2-IN-1
    		Inhibitor
    SARS-CoV-2-IN-1 is a potent Mpro inhibitor. SARS-CoV-2-IN-1 inhibits the purified recombinant SARS-CoV-2 Mpro, SARS-CoV Mpro and MERS-CoV Mpro with IC50s of 0.67, 0.90 and 0.58 μM, respectively.
    SARS-CoV-2-IN-1
  • HY-18234
    Leupeptin
    		Inhibitor
    Leupeptin is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin potently inhibits serine, cysteine and threonine proteases. Leupeptin inhibits Mpro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity.
    Leupeptin
  • HY-14654A
    Aspirin lithium
    		Inhibitor
    Aspirin (Acetylsalicylic Acid) lithium is an orally active, potent and irreversible inhibitor of cyclooxygenase COX-1 and COX-2, with IC50 values of 5 and 210 μg/mL, respectively. Aspirin lithium induces apoptosis. Aspirin lithium inhibits the activation of NF-κB. Aspirin lithium also inhibits platelet prostaglandin synthetase, and can prevent coronary artery and cerebrovascular thrombosis.
    Aspirin lithium
  • HY-N0560R
    Oroxylin A (Standard)
    		Inhibitor
    Oroxylin A (Standard) is the analytical standard of Oroxylin A. This product is intended for research and analytical applications. Oroxylin A is an active flavonoid compound with strong anti-cancer effects. Oroxylin A inhibits the IL-6/STAT3 pathway and NF-κB signaling, inhibits cell proliferation and induces apoptosis. Oroxylin A inhibits colitis-related carcinogenesis.
    Oroxylin A (Standard)
  • HY-150600
    NS2B/NS3-IN-7
    		Inhibitor 98.59%
    NS2B/NS3-IN-7 (compound 26) is a highly potent Zika virus NS2B-NS3 protease inhibitor with a Ki value of 2.33 nM. NS2B/NS3-IN-7 can reduce amounts of ZIKV-infected cells.
    NS2B/NS3-IN-7
  • HY-171261
    CID15997213
    CID15997213 is a blood-brain barrier penetrating antiviral agent. CID15997213 targets the amino-terminal domain of the VEEV nonstructural protein 2 (nsP2). CID15997213 shows alphavirus-specific antiviral effect, inhibiting VEEV and Western equine encephalitis virus.
    CID15997213
  • HY-120757
    LP-130
    		Inhibitor
    LP-130 is a statin-based inhibitor that is a universal inhibitor with nanomolar inhibitory activity against all tested retroviral proteases. Crystal structure studies of its binding to different retroviral proteases have shown that it can adapt to different active site regions to achieve inhibition.
    LP-130
Cat. No. Product Name / Synonyms Application Reactivity