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Pathways Recommended: Metabolic Enzyme/Protease
Results for "

Cysteine proteases

" in MedChemExpress (MCE) Product Catalog:

100

Inhibitors & Agonists

3

Screening Libraries

2

Fluorescent Dyes

5

Biochemical Assay Reagents

15

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6

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1

Isotope-Labeled Compounds

1

GMP Molecules

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-D0843
    N-Ethylmaleimide
    35+ 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-18234A
    Leupeptin hemisulfate
    Maximum Cited Publications
    61 Publications Verification

    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-100229
    Aloxistatin
    Maximum Cited Publications
    85 Publications Verification

    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-15282
    E-64
    20+ 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-P1645
    Papain
    10+ Cited Publications

    Cathepsin Cardiovascular Disease Inflammation/Immunology
    Papain is a cysteine protease of the peptidase C1 family. Papain enhances red cell agglutination by anti-D and anti-A, and increases red cell sensitivity to K cell-mediated lysis in ADCC assays. Papain can induce pulmonary emphysema. Papain can be used for the researches of Rh haemolytic disease of the newborn and pulmonary emphysema .
    Papain
  • HY-18236
    MDL-28170
    15+ 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-119293
    K777
    3 Publications Verification

    Cathepsin Cytochrome P450 Parasite SARS-CoV Filovirus Infection Inflammation/Immunology 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. 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-18964
    MG-101
    10+ 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-P2970

    Apoptosis PARP Caspase Bcl-2 Family Bacterial Interleukin Related Infection Inflammation/Immunology Cancer
    Stem bromelain (EC 3.4.22.32) is a cysteine protease and antibacterial agent. Stem bromelain can be isolated from the stem of the pineapple (Ananas comosus). Stem bromelain induces dose-dependent secretion of IL-12p70, and IL-6, induces Apoptosis, causes cleavage of full-length PARP protein, Caspase 3, and Caspase 9, increases Bax, and decreases Bcl-2. Stem bromelain possesses various fibrinolytic, antiedema, antithrombotic, and anti-inflammatory activities. Stem bromelain also exhibits in vivo antitumor and antileukemic activities, as well as antimetastatic effects. Stem bromelain has antimycobacterial activity. Stem bromelain provides protection against lead poisoning .
    Stem bromelain
  • 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-172437

    S-892216

    Virus Protease SARS-CoV Infection
    Secutrelvir is an oral SARS-CoV-2 3C-like protease (3CLpro) inhibitor and antiviral agent, with IC50 values of 0.655 nM and 0.697 nM against SARS-CoV-2 3CLpro, respectively. Secutrelvir forms a reversible covalent bond with the catalytic cysteine C145 of SARS-CoV-2 3CLpro, thereby inhibiting viral replication. Secutrelvir exhibits activity against multiple SARS-CoV-2 variants and can be used in research related to coronavirus disease 2019 (COVID-19) .
    Secutrelvir
  • HY-P1006
    Ac-DEVD-pNA
    1 Publications Verification

    Caspase Others
    Ac-DEVD-pNA is a ligand for caspase-3/-7 and related cysteine proteases .
    Ac-DEVD-pNA
  • HY-125169

    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-D0843S

    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 . N-ethylmaleimide specific inhibits phosphate transport in mitochondria . N-Ethylmaleimide is also a deubiquitinating enzyme inhibitor .
    N-Ethylmaleimide-d5
  • HY-137048
    PF-00835231
    4 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-P2780

    Apoptosis Ferroptosis Autophagy Necroptosis Others Cancer
    Cathepsin B, Bovine spleen is a cysteine protease and is involved in multiple kinds of programmed cell death (including apoptosis, pyroptosis, ferroptosis, necroptosis, and autophagic cell death) .
    Cathepsin B, Bovine spleen
  • HY-128971
    LHVS
    3 Publications Verification

    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-155482
    NA-184
    1 Publications Verification

    Proteasome Neurological Disease
    NA-184 is a selective and brain-penetrant calpain-2 inhibitor with an IC50 of 134 nM for mouse calpain-2. NA-184 has weak inhibitory activity on calpain-1 (IC50 of 2826 nM). NA-184 does not exhibit significant inhibition on a variety of other cysteine-, serine- or metallo-proteases. NA-184 shows significant neuroprotection and can be used for the study of traumatic brain injury (TBI) .
    NA-184
  • HY-P1645A

    Cathepsin Cardiovascular Disease Inflammation/Immunology
    Papain (1.5-10 units/mg) is a cysteine protease of the peptidase C1 family. Papain (1.5-10 units/mg) enhances red cell agglutination by anti-D and anti-A, and increases red cell sensitivity to K cell-mediated lysis in ADCC assays. Papain (1.5-10 units/mg) can induce pulmonary emphysema. Papain (1.5-10 units/mg) can be used for the researches of Rh haemolytic disease of the newborn and pulmonary emphysema .
    Papain (1.5-10 units/mg)
  • HY-18234

    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-161762

    RA-2034

    CHIKV 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-17541
    Cysteine Protease inhibitor
    3 Publications Verification

    Cathepsin Others
    Cysteine Protease inhibitor is a cysteine protease inhibitor. Cysteine Protease inhibitor can be used in immunoblotting experiments of cells or tissues .
    Cysteine Protease inhibitor
  • HY-142021

    Cathepsin Parasite Infection Inflammation/Immunology
    Z-Leu-Arg-AMC is a fluorogenic peptide substrate for cysteine proteases (e.g., Cathepsin) (Ex=350 nm,Em=460 nm). Z-Leu-Arg-AMC is preferentially cleaved by Cathepsin K and S under weakly acidic conditions, while its hydrolysis relies on residual Cathepsin S activity at neutral pH. Z-Leu-Arg-AMC serves as a substrate for recombinant Sphenophorus levis Cathepsin L, falcipain-2, falcipain-3, berghepain-2, knowlepain-2, vivapain-2, as well as falcipain-2 chimeras and constructs. It enables quantitative detection of cysteine protease activity in human inflammatory bronchoalveolar lavage fluid via fluorescence generation. Z-Leu-Arg-AMC can be used in research related to pulmonary inflammatory diseases and malaria .
    Z-Leu-Arg-AMC
  • HY-129115

    Reactive Oxygen Species (ROS) Caspase Others
    S1QEL1.1 is a small molecule inhibitor that specifically inhibits the generation of superoxide and hydrogen peroxide at the IQ site during reverse electron transfer in mitochondrial respiratory chain complex I (Complex I), with an IC50 of 0.07 μM. S1QEL1.1 can significantly reduce the activation of cysteine-aspartic protease (caspase) triggered by endoplasmic reticulum stress. S1QEL1.1 helps to decrease excessive proliferation of stem cells by inhibiting the Reactive Oxygen Species signaling pathway initiated by endoplasmic reticulum stress .
    S1QEL1.1
  • HY-100227
    E 64c
    3 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-112205A
    RR-11a analog
    5+ Cited Publications

    Parasite Legumain Infection
    RR-11a analog is a potent and irreversible inhibitor of Schistosoma mansoni legumain, with an IC50 of 31 nM. RR-11a analog is an aza-Asn derivative and aza-peptide Michael acceptor .
    RR-11a analog
  • HY-141867

    Z-Phe-Phe-FMK

    Cathepsin MEK Caspase DNA/RNA Synthesis Apoptosis Cardiovascular Disease Neurological Disease
    Z-FF-FMK (Z-Phe-Phe-FMK) is a cell-permeable, irreversible, and cysteine protease inhibitor targeting cathepsin-L. Z-FF-FMK inhibits angiotensin II-induced MEK activation in vascular walls, aortic medial remodeling, blood pressure elevation, and upregulation of cystatin C in aortic walls. Z-FF-FMK prevents β-amyloid-mediated caspase-3 activation, poly (ADP-ribose) polymerase cleavage, DNA fragmentation, and apoptosis of cortical neurons (apoptosis). Z-FF-FMK can be used in research related to hypertension and Alzheimer's disease .
    Z-FF-FMK
  • HY-E70226

    CTSS

    Ser/Thr Protease Cardiovascular Disease Inflammation/Immunology Cancer
    Cathepsin S, human, is a potent cysteine protease that promotes the degradation of damaged or harmful proteins in the endolysosomal pathway. Cathepsin S, human, is involved in multiple pathological processes, including arthritis, cancer, and cardiovascular disease .
    Cathepsin S, human
  • HY-112818

    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-P2065

    Fluorescent Dye Others
    Ac-VEID-AMC is a fluorescent substrate for the determination of caspase-6 and related cysteine protease activities (Ex=340-360 nm, Em=440-460 nm) .
    Ac-VEID-AMC
  • HY-138084

    Separase Mitosis 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-138540
    1-Dodecylimidazole
    3 Publications Verification

    N-Dodecylimidazole

    Fungal Cancer
    1-Dodecylimidazole (N-Dodecylimidazole) is a lysosomotropic detergent and a cytotoxic agent. 1-Dodecylimidazole causes cell death by its acid-dependent accumulation in lysosomes, disruption of the lysosomal membrane, and releaseof cysteine proteases into the cytoplasm. 1-Dodecylimidazole has hypocholesterolaemic activity and broad-spectrum antifungal activity .
    1-Dodecylimidazole
  • HY-P1645B

    Cathepsin Cardiovascular Disease Inflammation/Immunology
    Papain (lyophilized powder, ≥10 units/mg protein) is a cysteine protease of the peptidase C1 family. Papain (lyophilized powder, ≥10 units/mg protein) enhances red cell agglutination by anti-D and anti-A, and increases red cell sensitivity to K cell-mediated lysis in ADCC assays. Papain (lyophilized powder, ≥10 units/mg protein) can induce pulmonary emphysema. Papain (lyophilized powder, ≥10 units/mg protein) can be used for the researches of Rh haemolytic disease of the newborn and pulmonary emphysema .
    Papain (lyophilized powder, ≥10 units/mg protein)
  • HY-156202

    Histone Demethylase PD-1/PD-L1 Apoptosis Cancer
    Geranylgeranoic acid (Compound 5) is inhibits lysine-specific demethylase 1 (LSD1) with an IC50 value of 46.97 µM. Geranylgeranoic acid induces apoptosis via loss of the mitochondrial membrane potential and activation of interleukin-1β-converting enzyme (ICE) and cysteine protease precursor 32 (CPP32) in Huh7 and PLC/PRF/5 human hepatoma cells and MLE-10 transformed mouse hepatocytes. Geranylgeranoic acid an isoprenoid with anticancer activity, which is found in S. chinensis .
    Geranylgeranoic acid
  • HY-P1759A

    Z-FR-AMC hydrochloride

    Cathepsin Others
    N-CBZ-Phe-Arg-AMC (Z-FR-AMC) hydrochloride is a cathepsin substrate used in assessment activity of lysosomal cathepsin enzymes .
    N-CBZ-Phe-Arg-AMC hydrochloride
  • HY-Y0241

    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-W790014

    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-P2922

    Cathepsin Cancer
    Cathepsin C is a lysosomal cysteine protease essential for catalytic activation of many serine proteases, including proteinase 3 (PR3), neutrophil elastase (NE), cathepsin G (CTSG), granzyme A/B/C, and mast cell chymase .
    Cathepsin C
  • HY-17541A

    Cholinesterase (ChE) Cathepsin Neurological Disease
    Cysteine Protease inhibitor hydrochloride, an inhibitor of Cysteine Protease, binds to acetylcholinesterase (AChE). Cysteine Protease inhibitor hydrochloride is applicable to the research of Alzheimer's disease .
    Cysteine Protease inhibitor hydrochloride
  • HY-E70364

    Biochemical Assay Reagents Inflammation/Immunology
    IgdE protease is a cysteine protease, which is initially isolated from Streptococcus agalactiae. IgdE protease digests monoclonal antibodies (mAbs) of the IgG1 type specifically at their upper hinge region, produces Fc/2, hinge peptide dimers, and Fab fragment. IgdE protease can be used in disulfide bonds and free thiol analysis, as it requires no reducing agents for cleavage .
    IgdE protease
  • HY-P3153
    Cathepsin K
    1 Publications Verification

    Cathepsin Metabolic Disease
    Cathepsin K is a cysteine protease with endo and collagenolytic activities. Cathepsin K induces degradation of bone collagen and can be used for the research of osteoporosis .
    Cathepsin K
  • HY-P5975

    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-115753

    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-119378

    CX 295

    Proteasome Apoptosis Infection Cardiovascular Disease Neurological Disease Inflammation/Immunology
    AK 295 (CX 295) is a selective calpain inhibitor. AK 295 can inhibit apoptosis through a calpain-dependent pathway. AK 295 shows potent neuroprotective effect. AK 295 can inhibit the activity of the cysteine protease calpain and reduce myocardial injury. AK 295 can be used for the researches of infection, inflammation, cardiovascular and neurological disease, such as stroke and viral myocarditis .
    AK 295
  • HY-164634

    Cathepsin Cholecystokinin Receptor Neurological Disease Metabolic Disease Cancer
    CLIK-148 is a highly selective, irreversible and orally active cysteine protease inhibitor, primarily targeting Cathepsin L. CLIK-148 effectively inhibits the Cathepsin L-dependent degradation of HMG-CoA reductase in the endoplasmic reticulum (ER) membrane. CLIK-148 inhibits the processing of proCCK by Cathepsin L, thereby reducing the production of CCK8 (HY-P0093). CLIK-148 inhibits the degradation of type I collagen by osteoclasts' secreted Cathepsin L, reducing tumor-induced bone metastasis and malignant hypercalcemia. CLIK-148 can be used for the studies of bone metabolism disorders and regulation of neuropeptide processing .
    CLIK-148
  • HY-119293A

    Cathepsin Cytochrome P450 Parasite SARS-CoV Filovirus Infection Inflammation/Immunology 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. 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-E70420

    Bacterial Inflammation/Immunology
    SpeB cysteine protease is a potent modifier of immunologically important host and bacterial proteins. SpeB cysteine protease degrades streptolysin O (SLO) in extracellular vesicles .
    SpeB cysteine protease
  • HY-149264

    SARS-CoV Infection
    SARS-CoV-2 3CLpro-IN-13 is a potent SARS-CoV-2 3CL protease inhibitor with an IC50 value of 21 nM. SARS-CoV-2 3CLpro-IN-13 shows anti-coronavirus activity .
    SARS-CoV-2 3CLpro-IN-13
  • HY-E70018

    Endogenous Metabolite Infection Metabolic Disease
    Picornain 3C is a protease found in picornaviruses, which cleaves peptide bonds of non-terminal sequences. Picornain 3C is an intermediate between the serine peptidase chymotrypsin and the cysteine peptidase papain. Picornain 3C shows endopeptidase activity by selectively cleaving Gln-Gly bonds in the polyprotein of poliovirus and with substitution of Glu for Gln, and Ser or Thr for Gly in other picornaviruses .
    Picornain 3C
  • HY-18234AR

    Reference Standards Cathepsin Ser/Thr Protease Virus Protease Infection Inflammation/Immunology
    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)

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