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-N0184R
    Glycyrrhizic acid (Standard)
    		Inhibitor
    Glycyrrhizic acid (Standard) is the analytical standard of Glycyrrhizic acid. This product is intended for research and analytical applications. Glycyrrhizic acid is a triterpenoid saponinl, acting as a direct HMGB1 antagonist, with anti-tumor, anti-diabetic activities.
    Glycyrrhizic acid (Standard)
  • HY-172230
    Anti-infective agent 10
    		Inhibitor
    Anti-infective agent 10 (Compound Example 30) is a ns5b polymerase inhibitor that can be used as an anti-HCV agent.
    Anti-infective agent 10
  • HY-23120
    1-Hydroxyguanidine sulfate
    1-Hydroxyguanidine sulfate is an antitumor agent that inhibits mast cell P815, leukaemia P388, leukaemia L1210 and carcinosarcoma Walker 256 cells growth. 1-Hydroxyguanidine sulfate also has antiviral activity.
    1-Hydroxyguanidine sulfate
  • HY-50912R
    Plerixafor octahydrochloride (Standard)
    		Inhibitor
    Plerixafor (octahydrochloride) (Standard) is the analytical standard of Plerixafor (octahydrochloride). This product is intended for research and analytical applications. Plerixafor octahydrochloride (AMD3100 octahydrochloride) is a selective CXCR4 antagonist with an IC50 of 44 nM.
    Plerixafor octahydrochloride (Standard)
  • 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-159911
    SARS-CoV-2 Mpro-IN-29
    		Inhibitor
    SARS-CoV-2 Mpro-IN-29 (Compound 7) is an inhibitor of the SARS-CoV-2 main protease (Mpro) with an IC50 of 310 nM and an EC50 of 0.5 μM in Vero cells. SARS-CoV-2 Mpro-IN-29 binds to the active site of Mpro, blocking the cleavage of viral polyproteins, showing significant antiviral activity and enhanced metabolic function. SARS-CoV-2 Mpro-IN-29 holds potential for research on SARS-CoV-2 antiviral agents.
    SARS-CoV-2 Mpro-IN-29
  • HY-169815
    HCV NS5B polymerase-IN-2
    		Inhibitor
    HCV NS5B polymerase-IN-2 (Compound 298) is a Ns5b polymerase inhibitor. HCV NS5B polymerase-IN-2 is promising for research of hepatitis C virus (HCV) infections.
    HCV NS5B polymerase-IN-2
  • HY-N7108R
    7-Hydroxyflavone (Standard)
    		Inhibitor
    7-Hydroxyflavone (Standard) is the analytical standard of 7-Hydroxyflavone. This product is intended for research and analytical applications. 7-Hydroxyflavone is a flavonoid isolated from Clerodendrum phlomidis, with anti-inflammatory activity. 7-Hydroxyflavone protects renal cells from nicotine (NIC)-associated cytotoxicity via the ERK/Nrf2/HO-1 pathway. 7-Hydroxyflavone inhibits PKM2 with an IC50 of 2.12 μM. 7-Hydroxyflavone inhibits COX-2 and 5-LOX with IC50 of 27 µg/mL and 33 µg/mL. 7-Hydroxyflavone is orally active.
    7-Hydroxyflavone (Standard)
  • HY-173285
    SARS-CoV-2 Mpro-IN-38
    		Inhibitor
    SARS-CoV-2 Mpro-IN-38 (2-5a) is a SARS-CoV‑2 Mpro inhibitor, with an IC50 of 0.0435 μM.
    SARS-CoV-2 Mpro-IN-38
  • HY-B0448R
    Phenytoin (Standard)
    		Inhibitor
    Phenytoin (Standard) is the analytical standard of Phenytoin. This product is intended for research and analytical applications. Phenytoin (5,5-Diphenylhydantoin) is a potent Voltage-gated Na+ channels (VGSCs) blocker. Phenytoin has antiepileptic activity and reduces breast tumour growth and metastasis in mice.
    Phenytoin (Standard)
  • HY-159961
    SARS-CoV-2 Mpro-IN-34
    		Inhibitor
    SARS-CoV-2 Mpro-IN-34 (Compound 26) is an inhibitor for SARS-CoV-2 Mpro with an IC50 of 6 nM. SARS-CoV-2 Mpro-IN-34 exhibits inhibitory efficacy against OC43 Mpro with an IC50 of 33 nM. SARS-CoV-2 Mpro-IN-34 exhibits antiviral activity in SARS-CoV-2 infected Vero E6 cell with an EC50 of 0.103 μM.
    SARS-CoV-2 Mpro-IN-34
  • HY-173362
    SARS-CoV-2 Mpro-IN-39
    		Inhibitor
    SARS-CoV-2 Mpro-IN-39 (Compound 9d) is an inhibitor of the main protease (Mpro) of SARS-CoV-2, with an IC50 value of 5.94 µM, an EC50 value of 9.33 µM for inhibiting the replication of SARS-CoV-2 in Vero cells, and a cytotoxicity CC50 value of 289.63 µM. SARS-CoV-2 Mpro-IN-39 can be used in the research of the anti-COVID-19 field.
    SARS-CoV-2 Mpro-IN-39
  • HY-N1739R
    Tectoquinone (Standard)
    		Inhibitor
    Tectoquinone (Standard) is the analytical standard of Tectoquinone. This product is intended for research and analytical applications. Tectoquinone (2-Methylanthraquinone) is an inhibitor for SARS CoV-2 major protease (SARS CoV-2 Mpro). Tectoquinone exhibits anti-termite and antiviral activities.
    Tectoquinone (Standard)
  • HY-106161S1
    Rupintrivir-d7
    		Inhibitor
    Rupintrivir-d7 is a deuterated labeled Rupintrivir. Rupintrivirvr (AG7088), an antiviral agent, is a potent, selective and irreversible inhibitor of human rhinovirus (HRV) 3C protease. Rupintrivirvr inhibits replication of a panel of 48 different HRV serotypes in H1-HeLA and MRC-5 cell protection assays, with a mean EC50 of 0.023 μM. Rupintrivirvr shows immune-modulatory effect.
    Rupintrivir-d<sub>7</sub>
  • HY-169012
    PSB-21110
    		Inhibitor
    PSB-21110 is an irreversible SARS-CoV-2 Mpro inhibitor with EC50 value of 2.68 nM. PSB-21110 has antiviral activity.
    PSB-21110
  • HY-B1290S3
    2-Phenylethanol-13C2
    		Inhibitor
    2-Phenylethanol-13C2 is 13C labeled 2-Phenylethanol (HY-B1290). 2-Phenylethanol (Phenethyl alcohol) is an aromatic alcohol with a rose-like odour. 2-Phenylethanol is a flavour and fragrance compound, and can be used as a preservative and anti-microbial agent. 2-Phenylethanol has antityrosinase and antimicrobial activities.
    2-Phenylethanol-<sup>13</sup>C<sub>2</sub>
  • HY-N0731R
    Genkwanin (Standard)
    		Inhibitor
    Genkwanin (Standard) is the analytical standard of Genkwanin. This product is intended for research and analytical applications. Genkwanin is a major non-glycosylated flavonoid with anti-flammatory activities.
    Genkwanin (Standard)
  • HY-15304R
    Dynasore (Standard)
    		Inhibitor
    Dynasore (Standard) is the analytical standard of Dynasore. This product is intended for research and analytical applications. Dynasore is a cell-permeable dynamin inhibitor with an IC50 of 15 μM. Dynasore blocks cell migration.
    Dynasore (Standard)
  • HY-176268
    SGC-NSP2hel-1
    		Inhibitor
    SGC-NSP2hel-1 (RA-0188293) is a potent, specific and orally active nsP2 inhibitor. SGC-NSP2hel-1 has broad spectrum activity against multiple alphaviruses of the nsP2 helicase with a CC50 > 250 µM. SGC-NSP2hel-1 (RA-0188293) shows selectivity index > 4000 against human RNA helicases. SGC-NSP2hel-1 reduces virus replication and limited virus-induced pathology by forming a stable complex with nsP2 and ATP in a preclinical small animal model of CHIKV disease.
    SGC-NSP2hel-1
  • HY-175024
    MC12
    		Inhibitor
    MC12 is a thiazole-based derivative and a SARS-CoV-2 main protease inhibitor (IC50: 77.7 nM). MC12 exhibits inhibitory effects on both SARS-CoV and SARS-CoV-2 main proteases, with low cytotoxicity and good stability. MC12 can be used in the research of anti-COVID-19 drugs.
    MC12
Cat. No. Product Name / Synonyms Application Reactivity