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Pathways Recommended: Metabolic Enzyme/Protease
Results for "

cysteine protease inhibitor

" in MedChemExpress (MCE) Product Catalog:

42

Inhibitors & Agonists

4

Peptides

3

Natural
Products

1

Isotope-Labeled Compounds

Targets Recommended:
Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-17541
    Cysteine Protease inhibitor
    3 Publications Verification

    		 Cathepsin Others
    Cysteine Protease inhibitor is an inhibitor of cysteine protease.
    Cysteine Protease inhibitor
  • HY-17541A
    Cysteine Protease inhibitor hydrochloride
    3 Publications Verification

    		 Cathepsin Others
    Cysteine Protease inhibitor hydrochloride is an inhibitor of cysteine protease.
    Cysteine Protease inhibitor hydrochloride
  • HY-W790014
    Z-FG-NHO-BzOME

    		Cathepsin Infection
    Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .
    Z-FG-NHO-BzOME
  • HY-B0496
    PMSF
    Maximum Cited Publications
    85 Publications Verification

    Phenylmethylsulfonyl fluoride; Benzylsulfonyl fluoride

    		 Cathepsin Others
    PMSF is an irreversible serine/cysteine protease inhibitor commonly used in the preparation of cell lysates.
    PMSF
  • HY-18234A
    Leupeptin hemisulfate
    35+ Cited Publications

    		 Cathepsin Ser/Thr Protease Virus Protease Infection Inflammation/Immunology
    Leupeptin hemisulfate is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin hemisulfate potently inhibits serine, cysteine and threonine proteases. Leupeptin hemisulfate inhibits M pro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity .
    Leupeptin hemisulfate
  • HY-15282
    E-64
    5+ Cited Publications

    Proteinase inhibitor E 64

    		 Cathepsin Autophagy Bacterial Inflammation/Immunology Cancer
    E-64 (Proteinase inhibitor E 64) is a potent irreversible inhibitor against general cysteine proteases with IC50 of 9 nM for papain.
    E-64
  • HY-100227
    E 64c
    2 Publications Verification

    		 Cathepsin SARS-CoV Metabolic Disease
    E 64c is a derivative of naturally occurring epoxide inhibitor of cysteine proteases, a Calcium-activated neutral protease (CANP) inhibitor and a very weak irreversible cathepsin C inhibitor. E 64c exhibits entry-blocking effect for MERS-CoV.
    E 64c
  • HY-155054
    Cysteine protease inhibitor-3

    		Parasite Infection
    Cysteine protease inhibitor-3 (Compound 15) is a Cysteine protease inhibitor. Cysteine protease inhibitor-3 inhibits Pf3D7, PfW2, PfFP2 and PfFP3 with IC50s of 0.74 μM, 1.05 μM, 3.5 μM, and 4.9 μM, respectively. Cysteine protease inhibitor-3 has anti-plasmodial efficacy against both drug-sensitive and drug-resistant parasites .
    Cysteine protease inhibitor-3
  • HY-161762
    RA-0002034

    		Virus Protease Infection
    RA-0002034 is a Chikungunya virus (CHIKV) nsP2 protease inhibitor with an IC50 of 58 nM. RA-0002034 covalently modifies the catalytic cysteine in a site-specific manner .
    RA-0002034
  • HY-18234
    Leupeptin

    		Ser/Thr Protease Virus Protease Cathepsin Infection Inflammation/Immunology
    Leupeptin is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin potently inhibits serine, cysteine and threonine proteases. Leupeptin inhibits M pro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity .
    Leupeptin
  • HY-146649
    LmCPB-IN-1

    		Parasite Cathepsin Infection
    LmCPB-IN-1 (compound 35) is a potent and reversible covalent Leishmania mexicana cysteine protease B (LmCPB) inhibitor with a pKi of 9.7 .
    LmCPB-IN-1
  • HY-168050
    nsP2 Protease-IN-1

    		Virus Protease Infection
    nsP2 Protease-IN-1 is a potent irreversible covalent inhibitor of Chikungunya (CHIKV) nsP2 cysteine protease with an IC50 value of 60 nM. nsP2 Protease-IN-1 demonstrates potent antialphavirus activity, inhibiting CHIKV and VEEV replication with EC50 = 0.01 and 0.3 µM, respectively .
    nsP2 Protease-IN-1
  • HY-Y0241
    2-Cyanopyrimidine

    		Cathepsin Metabolic Disease
    2-Cyanopyrimidine is a potent and non-selective cysteine protease cathepsin K inhibitor with an IC50 of 170 nM. 2-Cyanopyrimidine is used for osteoporos .
    2-Cyanopyrimidine
  • HY-125169
    NSC 185058

    		Autophagy Atg4 Cancer
    NSC 185058 is an inhibitor of ATG4B, a major cysteine protease. Inhibition of ATG4B using NSC 185058 markedly attenuates autophagic activity .
    NSC 185058
  • HY-126973
    BI-1230

    		HCV Protease Infection
    BI-1230 is potent and digit nanomolar inhibitor of HCV NS3 protease and of viral replication. BI-1230 is also highly selective against other serine/cysteine proteases. BI-1230 shows good Pharmacokinetic(PK) activity .
    BI-1230
  • HY-115753
    Calpain Inhibitor-1

    		Proteasome Neurological Disease
    Calpain Inhibitor-1 (compound 36) is a potent and selective cysteine protease calpain 1 (Cal1) inhibitor (IC50=100 nM; Ki=2.89 μM) .
    Calpain Inhibitor-1
  • HY-100229
    Aloxistatin
    55+ Cited Publications

    E64d; E64c ethyl ester

    		 Cathepsin SARS-CoV Neurological Disease
    Aloxistatin (E64d) is a cell-permeable and irreversible broad-spectrum cysteine protease inhibitor. Aloxistatin (E64d) exhibits entry-blocking effect for MERS-CoV.
    Aloxistatin
  • HY-112818
    S130

    		Atg4 Cathepsin Autophagy Apoptosis Cancer
    S130 is a high affinity, selective inhibitor of ATG4B (a major cysteine protease) with an IC50 of 3.24 µM. S130 suppresses autophagy flux .
    S130
  • HY-119293
    K777
    1 Publications Verification

    		 Cathepsin CCR Cytochrome P450 Parasite SARS-CoV Filovirus Infection Cancer
    K777 is a potent, orally active and irreversible cysteine protease inhibitor. K777 is also a potent CYP3A4 inhibitor with an IC50 of 60 nM and a selective CCR4 antagonist featuring the potent chemotaxis inhibition. K777 irreversibly inhibits Cruzain, the major cysteine protease of Trypansoma cruzi, and cathepsins B and L. K777 is a broad-spectrum antiviral by targeting cathepsin-mediated cell entry. K777 inhibits SARS-CoV and EBOV pseudovirus entry with IC50 values of 0.68 nM and 0.87 nM, respectively .
    K777
  • HY-119293A
    K777 tosylate

    		Cathepsin CCR Cytochrome P450 Parasite SARS-CoV Filovirus Infection Cancer
    K777 tosylate is a potent, orally active and irreversible cysteine protease inhibitor. K777 tosylate is also a potent CYP3A4 inhibitor with an IC50 of 60 nM and a selective CCR4 antagonist featuring the potent chemotaxis inhibition. K777 tosylate irreversibly inhibits Cruzain, the major cysteine protease of Trypansoma cruzi, and cathepsins B and L. K777 tosylate is a broad-spectrum antiviral by targeting cathepsin-mediated cell entry. K777 tosylate inhibits SARS-CoV and EBOV pseudovirus entry with IC50 values of 0.68 nM and 0.87 nM, respectively .
    K777 tosylate
  • HY-D0843
    N-Ethylmaleimide
    10+ Cited Publications

    NEM

    		 Cathepsin Deubiquitinase Apoptosis Others
    N-Ethylmaleimide (NEM) derives from maleic acid, it can alkylates free sulfhydryl. N-Ethylmaleimide is an irreversible cysteine protease inhibitor. N-ethylmaleimide specific inhibits phosphate transport in mitochondria. N-Ethylmaleimide inhibits prolyl endopeptidase with an IC50 value of 6.3 μM. N-Ethylmaleimide can be used to modify cysteine residues in proteins and peptides .
    N-Ethylmaleimide
  • HY-128971
    LHVS

    		Cathepsin Parasite Infection Neurological Disease
    LHVS is a potent, non-selective, irreversible, cell-permeable cysteine protease and cathepsin inhibitor. LHVS decreases actin ring formation. LHVS inhibits T. gondii invasion with an IC50 of 10 μM .
    LHVS
  • HY-18236
    MDL-28170
    5+ Cited Publications

    Calpain inhibitor III

    		 Proteasome Neurological Disease Inflammation/Immunology
    MDL-28170 (Calpain Inhibitor III) is a potent, selective and membrane-permeable cysteine protease inhibitor of calpain that rapidly penetrates the blood-brain barrier following systemic administration . MDL-28170 also block γ-secretase .
    MDL-28170
  • HY-N12129
    6,6′-Dihydroxythiobinupharidine

    		Cathepsin Others
    6,6′-Dihydroxythiobinupharidine is a cysteine proteases inhibitor. 6,6′-Dihydroxythiobinupharidine can enhance DNA cleavage mediated by human topoisomerase IIα and IIβ ~8-fold and ~3-fold, respectively .
    6,6′-Dihydroxythiobinupharidine
  • HY-D0843S
    N-Ethylmaleimide-d5

    NEM-d5

    		 Cathepsin Deubiquitinase Others
    N-Ethylmaleimide-d5 is the deuterium labeled N-Ethylmaleimide. N-Ethylmaleimide (NEM), a reagent that alkylates free sulfhydryl groups, is a cysteine protease inhibitor[1]. N-ethylmaleimide specific inhibits phosphate transport in mitochondria[2]. N-Ethylmaleimide is also a deubiquitinating enzyme inhibitor[3].
    N-Ethylmaleimide-d5
  • HY-126988
    SP-Chymostatin B

    α-MAPI

    		 Elastase Others
    SP-Chymostatin B (α-MAPI) is a strong inhibitor of many proteases, including chymotrypsin, papain, chymotrypsin-like serine proteinases, chymases, and lysosomal cysteine proteinases such as cathepsins A,B,C, H, and L. SP-Chymostatin B weakly inhibits human leucocyte elastase .
    SP-Chymostatin B
  • HY-18964
    MG-101
    5+ Cited Publications

    Calpain inhibitor I; Ac-LLnL-CHO; ALLN

    		 Proteasome Apoptosis Cancer
    MG-101 (ALLN) is an inhibitor of cysteine proteases which inhibits calpain I, calpain II, cathepsin B and cathepsin L with Kis of 190, 220, 150 and 500 pM, respectively. MG-101 induces apoptosis and inhibits tumor growth, it can be used for the research of colon cancer .
    MG-101
  • HY-P5975
    Z-Leu-Leu-Leu-fluoromethyl ketone

    Z-LLL-FMK

    		 Cathepsin SARS-CoV Infection
    Z-Leu-Leu-Leu-fluoromethyl ketone (Z-LLL-FMK) is a cysteine protease inhibitor. Z-Leu-Leu-Leu-fluoromethyl ketone inhibits SARS infection. Z-Leu-Leu-Leu-fluoromethyl ketone also protects mice against a T. crassiceps challenge .
    Z-Leu-Leu-Leu-fluoromethyl ketone
  • HY-122523
    Tetromycin A

    		Bacterial Infection
    Tetromycin A is a tetronic acid-based antibiotic. It reportedly has pronounced activity against Gram-positive bacteria, including methicillin-resistant S. aureus. Related tetromycin derivatives have been found to have anti-trypanosomal activity and inhibit the cysteine protease cathepsin L with Ki values in the low micromolar range.
    Tetromycin A
  • HY-158763
    MPI8

    TG0205221

    		 SARS-CoV Cathepsin Virus Protease Infection
    MPI8 (TG0205221) is an inhibitor of the major protease of SARS-CoV-2 (MPro) with high antiviral activity. MPI8 exerts its antiviral effect by dual and selective inhibition of SARS-CoV-2 MPro and host cell cysteine protease L (cathepsin L). This dual inhibition enhanced the overall antiviral potency and effect of MPI8. MPI8 can be used in clinical studies of COVID-19 .
    MPI8
  • HY-138084
    SIC5-6

    		Separase Cancer
    SIC5-6 is a potent Separase inhibitor. Separase, a large cysteine protease, involves in chromosome segregation during mitosis and meiosis, DNA damage repair, centrosome disengagement and duplication, spindle stabilization and elongation. Separase is highly overexpressed in many solid cancers, serves as an attractive chemotherapeutic target .
    SIC5-6
  • HY-143714
    Cathepsin K inhibitor 2

    		Cathepsin Inflammation/Immunology
    Cathepsin K inhibitor 2 is a potent inhibitor of cathepsin K. Cathepsin K, Cat K is a cysteine protease expressed under the control of CTSK gene and closely related to osteoporosis, whose main function is to hydrolyze collagen. Cathepsin K inhibitor 2 has the potential for the research of osteoarthfitis (extracted from patent WO2021147882A1, compound 78) .
    Cathepsin K inhibitor 2
  • HY-108137
    Z-LVG-CHN2
    2 Publications Verification

    		 Cathepsin HSV SARS-CoV Infection Inflammation/Immunology
    Z-LVG-CHN2 is a cell-permeable and irreversible inhibitor of cysteine proteinase. Z-LVG-CHN2 is a tripeptide derivative and mimics part of the human cysteine proteinase-binding center. Z-LVG-CHN2 displays an inhibition on HSV whereas no significant effect on poliovirus replication. Z-LVG-CHN2 effectively blocks SARS-COV-2 replication (EC50=190 nM) via inhibition of SARS-COV-2 3CL pro protease .
    Z-LVG-CHN2
  • HY-114584
    A-953227

    		Others Neurological Disease
    A-953227 is a highly potent and selective inhibitor with the activity of inhibiting calcium-dependent esterase (calpain). A-953227 has enhanced selectivity for related cysteine proteases (cathepsins) and has shown good efficacy in cell experiments. A-953227 has shown broad efficacy in preclinical models for Alzheimer's disease, suggesting that it has potential benefits in inhibiting Alzheimer's disease .
    A-953227
  • HY-144260
    3CPLro-IN-1

    		SARS-CoV Infection
    3CPLro-IN-1 (compound A17) is a potent and orally active inhibitor of SARS-CoV-2 3CLpro with an IC50 of 5.65 μM. 3-Chymotrypsin-like cysteine protease (3CLpro) is an indispensable protein in viral replication and represents an attractive agent target for fighting COVID-19 .
    3CPLro-IN-1
  • HY-118338
    WRR-483

    		Parasite Infection
    WRR-483 is an analog of K11777, an inhibitor of cruzain, used to inhibit the proliferation of Trypanosoma cruzi in cell culture. WRR-483 can eradicate parasitic infection in an acute Chagas disease mouse model. WRR-483 is an irreversible cysteine protease inhibitor that shows pH-dependent high affinity and potent trypanocidal activity against cruzain and T. cruzi infection, and is expected to inhibit Chagas disease.
    WRR-483
  • HY-144263
    3CPLro-IN-2

    		SARS-CoV Infection
    3CPLro-IN-2 (compound C1) is a potent and orally active inhibitor of SARS-CoV-2 3CLpro with an IC50 and Ki of 1.55 and 6.09 μM, respectively. 3-Chymotrypsin-like cysteine protease (3CLpro) is an indispensable protein in viral replication and represents an attractive agent target for fighting COVID-19 .
    3CPLro-IN-2
  • HY-144833
    SARS-CoV-2 3CLpro-IN-1

    		SARS-CoV Infection
    SARS-CoV-2 3CLpro-IN-1 (Compound 14c) is a potent inhibitor of SARS-CoV-2 3CL pro. 3CL pro (main coronaviruses cysteine-protease) has been identified as a promising target for the development of antiviral agents. SARS-CoV-2 3CLpro-IN-1 has the potential for the research of infection diseases .
    SARS-CoV-2 3CLpro-IN-1
  • HY-108137A
    Z-L(D-Val)G-CHN2

    		Cathepsin HSV SARS-CoV Infection
    Z-L(D-Val)G-CHN2 is the isoform of Z-LVG-CHN2 (HY-108137). Z-LVG-CHN2 is a cell-permeable and irreversible inhibitor of cysteine proteinase. Z-LVG-CHN2 is a tripeptide derivative and mimics part of the human cysteine proteinase-binding center. Z-LVG-CHN2 displays an inhibition on HSV whereas no significant effect on poliovirus replication. Z-LVG-CHN2 effectively blocks SARS-COV-2 replication (EC50=190 nM) via inhibition of SARS-COV-2 3CL pro protease .
    Z-L(D-Val)G-CHN2
  • HY-137048
    PF-00835231
    2 Publications Verification

    		 SARS-CoV HIV HCV Infection
    PF-00835231 is a CoV-2 cysteine 3C-like protease (3CL pro) inhibitor, with IC50s of 0.27 nM and 4 nM for SARS CoV-2 and SARS CoV-1 3CL pro, respectively. PF-00835231 is developed for the research of anti-SARS-CoV-2/COVID-19. PF-00835231 can inhibit cell infections and also suppress infections in animal models .
    PF-00835231
  • HY-126489
    Tetromycin B

    		Parasite Infection
    Tetromycin B is a cysteine protease inhibitor with Ki values of 0.62, 1.42, 32.5, and 1.59 μM for rhodesain, falcipain-2, cathepsin L, and cathepsin B, respectively. It inhibits the growth of T. brucei in vitro (IC50=30.87 μM). Tetromycin B is also cytotoxic to HEK293T kidney cells and J774.1 macrophages (IC50s=71.77 and 20.2 μM, respectively).
    Tetromycin B
  • HY-P5439
    Epsilon-V1-2, Cys-conjugated

    		PKC MARCKS Others
    Epsilon-V1-2, Cys-conjugated is a biological active peptide. (This peptide is the εPKC specific inhibitor. Its inhibitory activity is based on εPKC translocation and MARCKS phosphorylation. This peptide interferes with εPKC interaction with the anchoring protein εRACK. This peptide contains a cysteine residue added to the C-terminus for potential S-S bond formation with a carrier protein.Pyroglutamyl (pGlu) peptides may spontaneously form when either Glutamine (Q) or Glutamic acid (E) is located at the sequence N-terminus. The conversion of Q or E to pGlu is a natural occurrence and in general it is believed that the hydrophobic γ-lactam ring of pGlu may play a role in peptide stability against gastrointestinal proteases. Pyroglutamyl peptides are therefore considered a normal subset of such peptides and are included as part of the peptide purity during HPLC analysis.)
    Epsilon-V1-2, Cys-conjugated

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