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PLpro

" in MedChemExpress (MCE) Product Catalog:

51

Inhibitors & Agonists

1

Screening Libraries

2

Fluorescent Dye

1

Peptides

6

Natural
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5

Recombinant Proteins

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-13765
    6-Thioguanine
    Maximum Cited Publications
    13 Publications Verification

    Thioguanine; 2-Amino-6-purinethiol

    SARS-CoV Deubiquitinase DNA Methyltransferase Autophagy Apoptosis Endogenous Metabolite Infection Inflammation/Immunology Cancer
    6-Thioguanine (Thioguanine; 2-Amino-6-purinethiol) is an anti-leukemia and immunosuppressant agent, acts as an inhibitor of SARS and MERS coronavirus papain-like proteases (PLpros) and also potently inhibits USP2 activity, with IC50s of 25 μM and 40 μM for Plpros and recombinant human USP2, respectively.
    6-Thioguanine
  • HY-100575
    Acriflavine
    5+ Cited Publications

    Acriflavinium chloride 3,6-Acridinediamine mix

    Environmental Pollutants Fluorescent Dye Monocarboxylate Transporter Bacterial Fungal HIF/HIF Prolyl-Hydroxylase SARS-CoV Infection Cancer
    Acriflavine (Acriflavinium chloride) is a fluorescent acridine dye that can be used to label nucleic acid. Acriflavine is an antiseptic agent. Acriflavine is a potent HIF-1 inhibitor that prevents the dimerization of HIF-1α and HIF-1β subunits. Acriflavine inhibits the interaction between monocarboxylate transporter 4 (MCT4) and Basigin. Acriflavine is used in cancer research, such as breast cancer, brain tumor and chronic myeloid leukemia. Acriflavine is a potent papain-like protease (PLpro) inhibitor, which inhibits SARS-CoV-2 .
    Acriflavine
  • HY-117043
    GRL0617
    Maximum Cited Publications
    13 Publications Verification

    Deubiquitinase SARS-CoV Infection
    GRL0617 is a selective and competitive noncovalent inhibitor of severe acute respiratory syndrome (SARS-CoV) papain-like protease (PLpro), with an IC50 of 0.6 μM and a Ki value of 0.49 μM. GRL0617 also inhibits SARS-CoV with an EC50 of 14.5 μM. GRL0617 can be used for the research of severe acute respiratory syndrome .
    GRL0617
  • HY-17542
    PLpro inhibitor
    5 Publications Verification

    SARS-CoV Infection
    PLpro inhibitor is a potent inhibitor of papain-like protease (PLpro) with an IC50 of 2.6 µM . PLpro inhibitor inhibits SARS-CoV-2 PLpro with an IC50 of 5.0 µM and an EC50 of 21.0 µM .
    PLpro inhibitor
  • HY-W088075
    Acriflavine hydrochloride
    5+ Cited Publications

    Acriflavinium chloride hydrochloride

    Fluorescent Dye HIF/HIF Prolyl-Hydroxylase Bacterial SARS-CoV Monocarboxylate Transporter Fungal Infection Cancer
    Acriflavine (Acriflavinium chloride) hydrochloride is a fluorescent acridine dye that can be used to label nucleic acid. Acriflavine hydrochloride is an antiseptic agent. Acriflavine hydrochloride is a potent HIF-1 inhibitor that prevents the dimerization of HIF-1α and HIF-1β subunits. Acriflavine hydrochloride inhibits the interaction between monocarboxylate transporter 4 (MCT4) and Basigin. Acriflavine hydrochloride is used in cancer research, such as breast cancer, brain tumor and chronic myeloid leukemia. Acriflavine hydrochloride is a potent papain-like protease (PLpro) inhibitor, which inhibits SARS-CoV-2 .
    Acriflavine hydrochloride
  • HY-N0886
    Aloin B
    3 Publications Verification

    Isobarbaloin

    SARS-CoV Virus Protease Infection Endocrinology Cancer
    Aloin B (Isobarbaloin) is an orally active SARS-CoV-2 papain-like protease (PLpro) inhibitor with an IC50 of 16.08 μM (hydrolytic activity) and 17.51 μM (deubiquitinase activity). Aloin B is metabolized by rat intestinal flora into aloe-emodin-9-anthrone to exert laxative effects. Aloin B inhibits TPA (HY-18739)-induced ear edema, putrescine elevation, and tumor promotion in mouse skin. Aloin B can be used in research related to anti-inflammation, tumor promotion inhibition, coronavirus disease 2019 (COVID-19) and constipation .
    Aloin B
  • HY-169092

    SARS-CoV Virus Protease Infection
    PF-07957472 (Compound 4) is an orally active and selective SARS-CoV-2 papain-like protease (PLpro) inhibitor, with a Ki of 2 nM against SARS-CoV-2 PLpro. PF-07957472 reduces SARS-CoV-2 viral titers in the lungs of infected mice and inhibits SARS-CoV-2-induced cytopathic effects in cells. PF-07957472 can be used for the research of COVID-19 .
    PF-07957472
  • HY-N1910
    4'-O-Methylbavachalcone
    4 Publications Verification

    SARS-CoV Virus Protease Succinate Receptor 1 ERK Infection Neurological Disease
    4'-O-Methylbavachalcone is an orally active prenylated flavonoid that inhibits the activity of SARS-CoV papain-like protease (PLpro), with an IC50 of 10.1 μM and a Ki of 4.6 μM. 4'-O-Methylbavachalcone inhibits poly (ADP-ribose) polymerase-mediated cell death (parthanatos), reduces cerebral infarct volume, binds to the orthosteric site of SUCNR1, blocks the interaction between succinate and SUCNR1, inhibits SUCNR1 activity, blocks the nuclear translocation of NFATc4, suppresses the activation of the ERK1/2 signaling pathway, inhibits cardiomyocyte hypertrophy and restores the expression of α-actinin. 4'-O-Methylbavachalcone can be used in studies related to ischemic stroke, SARS-CoV and cardiomyocyte hypertrophy .
    4'-O-Methylbavachalcone
  • HY-13765R

    Thioguanine (Standard); 2-Amino-6-purinethiol (Standard)

    Reference Standards SARS-CoV Deubiquitinase DNA Methyltransferase Autophagy Apoptosis Endogenous Metabolite Infection Inflammation/Immunology Cancer
    6-Thioguanine (Standard) is the analytical standard of 6-Thioguanine. This product is intended for research and analytical applications. 6-Thioguanine (Thioguanine; 2-Amino-6-purinethiol) is an anti-leukemia and immunosuppressant agent, acts as an inhibitor of SARS and MERS coronavirus papain-like proteases (PLpros) and also potently inhibits USP2 activity, with IC50s of 25 μM and 40 μM for Plpros and recombinant human USP2, respectively.
    6-Thioguanine (Standard)
  • HY-152101

    SARS-CoV Infection
    LY1 is a potent, selective and covalent inhibitor against both SARS-CoV-2 PL pro and M pro with Kd values of 1.5 μM and 2.3 μM for M pro C145A protein and PL pro C111A protein, respectively. LY1 potent against the viral proteases, with IC50s of 0.12 μM and 0.99 μM against M pro and PL pro. LY1 shows high selectivity over other kinases, human proteases and metalloenzyme .
    LY1
  • HY-P4388

    SARS-CoV Infection
    Z-Arg-Leu-Arg-Gly-Gly-AMC is a peptide substrate of SARS-CoV PL pro .
    Z-Arg-Leu-Arg-Gly-Gly-AMC
  • HY-N12677

    Caflanone; FBL-03G

    SARS-CoV Apoptosis Autophagy Akt Infection Cancer
    Isocannflavin B (Caflanone) is a flavonoid compound. Isocannflavin B exhibits anti-tumor and anti-viral activities. Isocannflavin B induces apoptosis, autophagy and cell cycle arrest in tumor cells, and inhibits cell proliferation. Isocannflavin B inhibits HCoV-OC43. Isocannflavin B can be used in research related to cancer and COVID-19 .
    Isocannflavin B
  • HY-178160

    SARS-CoV Virus Protease Infection
    SARS-CoV-2 PLpro-IN-2 (Compound 12) is a highly selective SARS-CoV-2 papain-like protease (PLpro) inhibitor of (IC50=0.06 μM). SARS-CoV-2 PLpro-IN-2 inhibits viral replication and immune evasion. SARS-CoV-2 PLpro-IN-2 exhibits antiviral efficacy in HeLa-ACE2 cells (EC50=2.9 μM). SARS-CoV-2 PLpro-IN-2 is promising for research of COVID-19 .
    SARS-CoV-2 PLpro-IN-2
  • HY-159633

    SARS-CoV Infection
    PLpro-IN-5 (compound 21) is a PLPro protease inhibitor with an IC50 value of 91.14 nM. PLpro-IN-5 shows broad-spectrum antivirus, especially for SARS-CoV, MERS-CoV, SARS-CoV-2 .
    PLpro-IN-5
  • HY-168259

    SARS-CoV Infection
    PLpro-IN-8 (compound 1) is a SARS-CoV papain-like protease (PLpro) inhibitor with IC50 values of 5.9 μM and 0.46 μM for SARS-CoV-2 PLpro and SARS -CoV-1 PLpro, respectively. PLpro-IN-8 inhibits Wuhan strain WK-521 of SARS-CoV-2 with an EC50 of 2.7 μM .
    PLpro-IN-8
  • HY-159655

    SARS-CoV Infection Inflammation/Immunology
    PLpro-IN-6 (compound 6) is a papain-like protease (PLpro) inhibitor, with an IC50 of 0.019 μM for SARS CoV2 PLpro enzyme .
    PLpro-IN-6
  • HY-128427

    SARS-CoV Infection
    PLpro-IN-1 (Compound 2) is a SARS-CoV PLpro inhibitor (IC50: 8.7 μM). PLpro-IN-1 can be used for antiviral research .
    PLpro-IN-1
  • HY-161729

    SARS-CoV Infection
    PLpro-IN-3 (compound 26R) is a potent Papain-like protease (PLpro) inhibitor with a IC50 of 1.0μM. PLpro-IN-3 exhibits antiviral activity against SARS-CoV-2 with a EC50 of 4.3 μM .
    PLpro-IN-3
  • HY-149256

    SARS-CoV Infection
    PLpro/RBD-IN-1 (compound 5) is a dual SARS-CoV-2 PLpro and spike protein RBD inhibitor with IC50s of 7.197 μM and 8.673 μM, respectively .
    PLpro/RBD-IN-1
  • HY-144648

    SARS-CoV Infection
    Mpro/PLpro-IN-1 (Compound 29) is a potent inhibitor of M pro/PL pro. Mpro/PLpro-IN-1 is a dual acting SARS-CoV-2 proteases inhibitor featuring micromolar inhibitory potency versus M pro (IC50 = 1.72 μM) and submicromolar potency versus PL pro (IC50 = 0.67 μM) .
    Mpro/PLpro-IN-1
  • HY-172350

    SARS-CoV Virus Protease Interleukin Related Infection
    WEHI-P8 is an orally active SARS-CoV-2 papain-like protease (PLpro) inhibitor with an IC50 of 12 nM and a Kd of 9.0 nM. WEHI-P8 reduces viral load, body weight loss, pulmonary inflammation, immune cell infiltration and pro-inflammatory mediator levels in SARS-CoV-2-infected mice. WEHI-P8 prevents pulmonary hemorrhage, immune cell infiltration, fibrotic remodeling and neuroinflammation, and improves cognitive function in a mouse model of post-acute sequelae of SARS-CoV-2 infection (PASC). WEHI-P8 is applicable for the research of COVID-19 and PASC .
    WEHI-P8
  • HY-144647

    SARS-CoV Virus Protease Infection
    SP inhibitor 1 (compound 34) is a selective SARS-CoV-2 spike protein (SP) inhibitor with an IC50 of 3.26 μM, >25 μM, >25 μM for SP, M pro and PL pro protein, respectively. SP inhibitor 1 is a vitro SARS-CoV-2 replication inhibitor at non-toxic concentrations (0.3250<5.98 μM). SP inhibitor 1 shows cellular antiviral activity .
    SP inhibitor 1
  • HY-174402

    SARS-CoV Infection
    PLpro-IN-9 (Compound 14e) is a SARS-CoV-2 PLpro inhibitor with an IC50 of 12.0 μM and a KD of 1.86 μM. PLpro-IN-9 has low cytotoxicity but poor metabolic stability. PLpro-IN-9 can be used in the research of SARS-CoV-2 .
    PLpro-IN-9
  • HY-162981

    SARS-CoV Cancer
    PLpro-IN-7 (compund 83) is a novel papain-like protease (PLpro) inhibitor with IC50 of 3 nM .
    PLpro-IN-7
  • HY-161365

    SARS-CoV Infection
    PLpro-IN-2 (Compound 16) is an inhibitor for SARS-CoV-2 papain-like protease (PLpro), with an IC50 of 0.25 μM .
    PLpro-IN-2
  • HY-157144

    SARS-CoV Infection
    SARS-CoV-2-IN-68 (compound 6C) is a covalent SARS-CoV-2 PLpro/Mpro inhibitor with potent antiviral activities. SARS-CoV-2-IN-68 binds to Zn-finger domain of PLpro .
    SARS-CoV-2-IN-68
  • HY-155308

    SARS-CoV Infection
    SARS-CoV-2-IN-61 (compound 8i) is a SARS CoV-2 PLpro inhibitor with an IC50 of 16 µM. SARS-CoV-2-IN-61 has antiviral activities .
    SARS-CoV-2-IN-61
  • HY-W423489

    S-Adenosyl-DL-homocysteine

    SARS-CoV Infection
    SARS-CoV-2-IN-76 (compound 1) is a nsp14-viral cap N7 methyltranferase and PLpro inhibitor of severe acute respiratory syndrome corona virus (SARS-CoV-2) .
    SARS-CoV-2-IN-76
  • HY-168584

    SARS-CoV Infection
    SARS-CoV-2-IN-102 (example 58) is a SARS-CoV papain-like protease (PLpro) inhibitor with an IC50 <100 nM .
    SARS-CoV-2-IN-102
  • HY-139892

    SARS-CoV Infection
    XR8-69 is a SARS-CoV-2 PLpro inhibitor that shows low micromolar antiviral potency in SARS-CoV-2-infected human cells.
    XR8-69
  • HY-150789

    SARS-CoV Infection
    SARS-CoV-2-IN-23 (compound GRL-0617) is a SARS-COV-2 papain-like protease (PLpro) inhibitor with an IC50 value of 2.3 μM .
    SARS-CoV-2-IN-23
  • HY-158751

    SARS-CoV Infection
    Jun9-72-2 is a papain (Plpro) inhibitor of SARS-CoV-2 with an IC50 value of 0.67 μM. Jun9-72-2 has antiviral activity .
    Jun9-72-2
  • HY-152589

    SARS-CoV Infection
    Antiviral agent 25 (compound 6g) is a new non-peptide analog covalent inhibitor of SARS-CoV-2 3CL pro. Antiviral agent 25 has a strong inhibitory effect on SARS-CoV-2 3CL pro and SARS-CoV-2 PL pro with IC50 values of 0.118 µM, 0.448 µM, respectively. Antiviral agent 25 has antiviral effect on SARS-CoV-2 with an EC50 value of 7.249 µM .
    Antiviral agent 25
  • HY-164868

    SARS-CoV Infection
    SARS-CoV-2-IN-106 (compound 19) is a SARS-CoV-2 papain-like protease inhibitor with the IC50 values of 0.44 μM and 0.18 μM for PLpro enzymatic and viral replication ,respectively .
    SARS-CoV-2-IN-106
  • HY-170504

    SARS-CoV Virus Protease Infection
    ZHAWOC25153 (Compound 17o) is a SARS-CoV-2 papain-like cysteine protease (PLpro) inhibitor, with an IC50 of 7 μM. ZHAWOC25153 exhibits antiviral activity and can be used in research within the field of anti-infection .
    ZHAWOC25153
  • HY-181262

    SARS-CoV Virus Protease Infection
    SARS-CoV-2 PLpro-IN-4 is a SARS-CoV-2 papain-like protease (PL Pro) inhibitor with an IC50 of 0.4 μM. SARS-CoV-2 PLpro-IN-4 binds to the S3 and S4 pockets of SARS-CoV-2 PL Pro, thereby functionally inhibiting its activity. SARS-CoV-2 PLpro-IN-4 exhibits antiviral activity and can be used in research on COVID-19 .
    SARS-CoV-2 PLpro-IN-4
  • HY-181927

    SARS-CoV Virus Protease Infection
    SARS-CoV-2 PLpro-IN-7 (Compound 18) is a selective SARS-CoV-2 PLpro inhibitor with an IC50 of 13.3 μM. SARS-CoV-2 PLpro-IN-7 exerts antiviral activity against SARS-CoV-2 (with an EC50 of 11 μM for SARS-CoV-2 in Huh7.5 cells). SARS-CoV-2 PLpro-IN-7 is applicable to research related to COVID-19 .
    SARS-CoV-2 PLpro-IN-7
  • HY-162790

    SARS-CoV Virus Protease Infection
    SARS-CoV-2-IN-95 (Compound 10) is an inhibitor for SARS-CoV-2 PLpro with an IC50 of 0.39 μM. SARS-CoV-2-IN-95 exhibits antiviral activity in mouse SARS-CoV-2-infected model .
    SARS-CoV-2-IN-95
  • HY-149940

    SARS-CoV Infection
    SIMR3030 is a potent SARS-CoV-2 PLpro inhibitor with an IC50 value of 0.0399 µg/mL. SIMR3030 shows antiviral activity. SIMR3030 decreases SARS-CoV spike, ORF1b, IFN-α, IL-6 mRNA expression. SIMR3030 exhibits a satisfactory safety profile in mice .
    SIMR3030
  • HY-168917

    9-AMN

    SARS-CoV Virus Protease Infection
    9-Aminominocycline (9-AMN) is the inhibitor for SARS-CoV-2 papain-like protease (SARS-CoV-2 PLpro), inhibits its deubiquitination (DUB) activity and protease activity with IC50 of 4.55 µM and 4.15 µM. 9-Aminominocycline inhibits the SARS-CoV variants Delta and Omicron replication in Calu-3 cell with IC50 of 1.04 µM and 2.35 µM .
    9-Aminominocycline
  • HY-N0886R

    Isobarbaloin (Standard)

    Reference Standards Virus Protease SARS-CoV Infection Metabolic Disease Cancer
    Aloin B (Isobarbaloin) (Standard) is the analytical standard of Aloin B. This product is intended for research and analytical applications. Aloin B is an orally active SARS-CoV-2 papain-like protease (PLpro) inhibitor with an IC50 of 16.08 μM (hydrolytic activity) and 17.51 μM (deubiquitinase activity). Aloin B is metabolized by rat intestinal flora into aloe-emodin-9-anthrone to exert laxative effects. Aloin B inhibits TPA (HY-18739)-induced ear edema, putrescine elevation, and tumor promotion in mouse skin. Aloin B can be used in research related to anti-inflammation, tumor promotion inhibition, coronavirus disease 2019 (COVID-19) and constipation .
    Aloin B (Standard)
  • HY-179293

    SARS-CoV Virus Protease Infection
    SARS-CoV-2 PLpro-IN-3 (Compound 15) is a covalent inhibitor of the SARS-CoV-2 papain-like protease (PLpro), with an IC50 of 25 nM. SARS-CoV-2 PLpro-IN-3 has similar inhibitory activity against SARS-CoV PLpro (IC50 = 59 nM), but shows no inhibitory effect on human ubiquitin-specific protease 7 (USP7). The EC50 of SARS-CoV-2 PLpro-IN-3 in inhibiting SARS-CoV-2 replication in cells is 96 nM, significantly reducing the viral titer and viral RNA levels. SARS-CoV-2 PLpro-IN-3 can be used for studying SARS-CoV-2 drug resistance mutations .
    SARS-CoV-2 PLpro-IN-3
  • HY-170399

    SARS-CoV Virus Protease Infection Cancer
    SARS-CoV-2 PLpro-IN-1 (Compound 85) is a non-covalent and competitive inhibitor of SARS-CoV-2 PLpro with an IC50 of 15.06 μM and a Ki of 22.93 μM. SARS-CoV-2 PLpro-IN-1 inhibits the proliferation of Vero cell with an IC50 of 7.47 μM .
    SARS-CoV-2 PLpro-IN-1
  • HY-173305

    SARS-CoV Virus Protease Infection
    Mpro/PLPro-IN-2 (Compound 22l) is a non-covalent competitive dual inhibitor of the papain-like protease and main protease of SARS-CoV-2, with a Ki of 0.2 μM for the papain-like protease and a Ki of 1.1 μM for the main protease . Mpro/PLPro-IN-2 can be used in the research field of anti-SARS-CoV-2 .
    Mpro/PLPro-IN-2
  • HY-181641

    SARS-CoV Virus Protease Infection
    SARS-CoV-2 PLpro-IN-6 is an irreversible SARS-CoV-2 papain-like protease inhibitor with an IC50 value of 0.059 μM. SARS-CoV-2 PLpro-IN-6 exhibits antiviral activity and can be used in studies related to COVID-19 .
    SARS-CoV-2 PLpro-IN-6
  • HY-181352

    Virus Protease SARS-CoV Infection
    SB-140 is a selective, covalent PLpro inhibitor with an IC50 of ≤2.5 nM against SARS-CoV-2 PLpro. SB-140 has antiviral activity against SARS-CoV-2, MERS-CoV and SARS-CoV-1 .
    SB-140
  • HY-183746

    P-glycoprotein SARS-CoV Virus Protease Infection
    Catechin-5-O-gallate is a bioactive substance. Catechin-5-O-gallate can be isolated from bioactive Himalayan plants. Catechin-5-O-gallate is predicted to be a P-glycoprotein inhibitor, and binds to SARS-CoV-2 3CLpro, PLpro and RdRp. Catechin-5-O-gallate can be used in studies related to COVID-19 .
    Catechin-5-O-gallate
  • HY-182894

    Virus Protease SARS-CoV Infection
    MR1-114 is an orally active SARS-CoV-2 papain-like protease (PLpro) inhibitor with an IC50 of 0.037 μM. As a broad-spectrum inhibitor, MR1-114 maintains submicromolar activity against SARS-CoV-2 Delta, Omicron B.1.1.529 and Omicron BA.5 variants, with EC50 values of 0.18 μM, 0.39 μM and 0.20 μM, respectively. MR1-114 can be used for the research of coronavirus disease 2019 (SARS-CoV-2 infection) .
    MR1-114
  • HY-100575R

    Acriflavinium chloride 3,6-Acridinediamine mix (Standard)

    Fluorescent Dye Reference Standards HIF/HIF Prolyl-Hydroxylase Bacterial SARS-CoV Monocarboxylate Transporter Fungal Infection Cancer
    Acriflavine (Standard) is the analytical standard of Acriflavine (HY-100575). This product is intended for research and analytical applications. Acriflavine (Acriflavinium chloride) is a fluorescent acridine dye that can be used to label nucleic acid. Acriflavine is an antiseptic agent. Acriflavine is a potent HIF-1 inhibitor that prevents the dimerization of HIF-1α and HIF-1β subunits. Acriflavine inhibits the interaction between monocarboxylate transporter 4 (MCT4) and Basigin. Acriflavine is used in cancer research, such as breast cancer, brain tumor and chronic myeloid leukemia. Acriflavine is a potent papain-like protease (PLpro) inhibitor, which inhibits SARS-CoV-2 .
    Acriflavine (Standard)
  • HY-182428

    SARS-CoV Infection
    UAWJ248 is a SARS-CoV-2 main protease (M pro) inhibitor with an IC50 of 0.012 μM. UAWJ248 inhibits activity via initial reversible binding followed by irreversible inactivation. UAWJ248 inhibits SARS-CoV-2 replication and can be used for the research of SARS-CoV-2 infection .
    UAWJ248

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