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

Virus Protease

Virus Protease

Related Products

PDF 0.37 MB

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-155843
    CDK9-IN-25
    		Inhibitor
    CDK9-IN-25 (compound 4a) is an imidazopyrazine CDK9 inhibitor (IC50: 0.24 μM). CDK9-IN-25 has good affinity to the main protease of COVID-19 and has antiviral activity against human coronavirus 229E (IC50: 63.28 μM).
    CDK9-IN-25
  • HY-N0110R
    Palmatine chloride (Standard)
    		Inhibitor
    Palmatine (chloride) (Standard) is the analytical standard of Palmatine (chloride). This product is intended for research and analytical applications. Palmatine chloride 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 chloride can also inhibit West Nile virus (WNV) NS2B-NS3 protease in an uncompetitive manner with an IC50 of 96 μM. Palmatine chloride shows anti-cancer, anti-oxidation, anti-inflammatory, neuroprotection, antibacterial, anti-viral activities.
    Palmatine chloride (Standard)
  • HY-136574
    2-Hydroxy-4-methylbenzenesulphonic acid ammonium
    		Inhibitor 99.81%
    2-Hydroxy-4-methylbenzenesulphonic acid ammonium is an impurity of Policresulen. Policresulen is a potent NS2B/NS3 protease inhibitor with an IC50 of 0.48 μg/mL. Policresulen effectively inhibits the replication of DENV2 virus in BHK-21 cells with an IC50 of 4.99 μg/mL. Policresulen acted as a competitive inhibitor of the protease, and slightly affected the protease stability.
    2-Hydroxy-4-methylbenzenesulphonic acid ammonium
  • HY-168152
    SARS-CoV-2 3CLpro-IN-26
    		Inhibitor
    SARS-CoV-2 3CLpro-IN-26 (Compound (S,R)-4y) is an allosteric inhibitor for SARS-CoV-2 3CLpro with an IC50 of 0.43 μM. SARS-CoV-2 3CLpro-IN-26 exhibits good cell permeability and is able to effectively cross the cell membrane, after co-incubation with Vero-E6 cells.
    SARS-CoV-2 3CLpro-IN-26
  • HY-N0469S2
    L-Lysine-15N-1 dihydrochloride
    		Inhibitor
    L-Lysine-15N-1 (dihydrochloride) is the 15N-labeled L-Lysine. L-lysine is an essential amino acid with important roles in connective tissues and carnitine synthesis, energy production, growth in children, and maintenance of immune functions.
    L-Lysine-<sup>15</sup>N-1 dihydrochloride
  • HY-161790
    Mpro ligand 1
    Mpro ligand 1 is the ligand for target protein for PROTAC SARS-CoV-2 Mpro degrader-3 (HY-161789). Mpro ligand 1 is the active form of Mpro ligand 2 (HY-161791).
    Mpro ligand 1
  • 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-144736
    NS2B/NS3-IN-4
    		Inhibitor
    NS2B/NS3-IN-4 (Compound 34e) is an allosteric DENV2 and ZIKV NS2B/NS3 protease inhibitor with IC50 values of 0.69 µM and 1.04 µM against DENV2 and ZIKV NS2B/NS3 proteases, respectively.
    NS2B/NS3-IN-4
  • HY-144742
    NS2B/NS3-IN-6
    		Inhibitor
    NS2B/NS3-IN-6 (Compound 1a) is an allosteric DENV and ZIKV NS2B/NS3 protease inhibitor with IC50 values of 2.23 µM and 25.2 µM against ZIKV and DENV proteases, respectively.
    NS2B/NS3-IN-6
  • HY-18234AR
    Leupeptin hemisulfate (Standard)
    		Inhibitor
    Leupeptin (hemisulfate) (Standard) is the analytical standard of Leupeptin (hemisulfate). This product is intended for research and analytical applications. Leupeptin hemisulfate is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin hemisulfate potently inhibits serine, cysteine and threonine proteases. Leupeptin hemisulfate inhibits Mpro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity[1][2][3].
    Leupeptin hemisulfate (Standard)
  • HY-162484
    GZNL-P36
    		Inhibitor
    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-172960
    SARS-CoV-2 Mpro-IN-44
    		Inhibitor
    SARS-CoV-2 Mpro-IN-44 (Compound 25) is a broad-spectrum coronavirus main protease (Mpro) inhibitor. SARS-CoV-2 Mpro-IN-44 has inhibitory activity against a variety of high-risk coronaviruses (including SARS-CoV-2 and PEDV, etc.) (IC50: < 0.6 μM). SARS-CoV-2 Mpro-IN-44 achieves broad-spectrum inhibition of coronaviruses by enhancing the interaction with the conserved sites of Mpro. SARS-CoV-2 Mpro-IN-44 can be used for anti-coronavirus drug development.
    SARS-CoV-2 Mpro-IN-44
  • HY-N0354S
    Anthraquinone-d8
    Anthraquinone-d8 is the deuterium labeled Anthraquinone[1]. Anthraquinone is used as a precursor for dye formation.
    Anthraquinone-d<sub>8</sub>
  • HY-P5312
    Abz-Gly-Leu-Lys-Arg-Gly-Gly-3-(NO2)Tyr
    		Inhibitor
    Abz-Nle-Lys-Arg-Arg-Ser-3-(NO2)Tyr is a WNV NS2B-NS3 protease substrate. Abz-Nle-Lys-Arg-Arg-Ser-3-(NO2)Tyr is used for WNV NS2B-NS3 protease substrate peptide selective inhibitor development.
    Abz-Gly-Leu-Lys-Arg-Gly-Gly-3-(NO2)Tyr
  • HY-161454
    Antiviral agent 54
    		Inhibitor
    Antiviral agent 54 (compound 33) is a broad-spectrum and orally active antiviral agent. Antiviral agent 54 shows antiviral activity for ZIKV, HCoV-OC43 and influenza A virus (IVA). Antiviral agent 54 decreases the ZIKV RNA and protein level.
    Antiviral agent 54
  • HY-P4209A
    Boc-GRR-AMC TFA
    Boc-GRR-AMC (TFA) is a tri-peptide Substrate. Boc-GRR-AMC can be used for a fluorogenic West Nile virus (WNV) substrate, profiling the substrate specificity for the NS2B-NS3 proteases or determining the pH optimum of LdMC activity.
    Boc-GRR-AMC TFA
  • HY-161791
    Mpro ligand 2
    Mpro ligand 2 (Compound 8) is the ligand for target protein, which can be used for synthesis of PROTAC SARS-CoV-2 Mpro degrader-3 (HY-161789).
    Mpro ligand 2
  • HY-171781
    FL-166
    		Inhibitor
    FL-166 is a SARS coronavirus main protease (Mpro) inhibitor (Ki: 40 nM). FL-166 exerts its inhibitory effect by targeting a cluster of serine residues near the active site of the protease. FL-166 can be used in the study of SARS-CoV.
    FL-166
  • HY-151900
    SARS-CoV-2 Mpro-IN-4
    		Inhibitor
    SARS-CoV-2 Mpro-IN-4 is a dual Inhibitor of Main Protease (MPro) and Cathepsin L (CatL), with IC50s of 900 nM and 60 nM respectively. SARS-CoV-2 Mpro-IN-4 has antiviral activity against SARS-CoV2. SARS-CoV-2 Mpro-IN-4 blocks SARS-CoV2 replication in hACE2 expressing A549 cells with IC50 value of 8.2 nM.
    SARS-CoV-2 Mpro-IN-4
  • HY-151581
    HCVcc-IN-1
    		Inhibitor
    HCVcc-IN-1 is a benzothiazole-2-thiophene S-glycoside derivative with low toxic and antiviral activity.
    HCVcc-IN-1
Cat. No. Product Name / Synonyms Application Reactivity