2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Cathepsin

Cathepsin

Cathepsin

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Cathepsins are protease enzymes, categorized into multiple families. Cathepsins can be serine protease, cysteine protease, or aspartyl protease. There are about 15 classes of cathepsins in humans (Cathepsin A, B, C, D, E, F, G, H, K, L, O, S, V, W, and Z). Cathepsins are active in the low pH milieu of lysosomes and are versatile in their functions. Like other enzymes, they are vital for the normal physiological functions such as digestion, blood coagulation, bone resorption, ion channel activity, innate immunity, complement activation, apoptosis, vesicular trafficking, autophagy, angiogenesis, proliferation, and metastasis, among scores of others.

Numerous pathologies have been attributed to the dysregulated cathepsins, some of which include arthritis, periodontitis, pancreatitis, macular degeneration, muscular dystrophy, atherosclerosis, obesity, stroke, Alzheimer's disease, schizophrenia, tuberculosis, and Ebola.

Cathepsin Isoform Specific Products:

Cathepsin Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-155611
    Cathepsin C-IN-6
    		Inhibitor
    Cathepsin C-IN-6 (compound 2) is a E-64c-hydrazideas based inhibitor of cathepsin C with anti-inflammatory activity. Cathepsin C-IN-6 inhibts activation of neutrophil elastase，exhibits potential efficacy in inflammatory diseases with high neutrophil load (e.g.，chronic obstructive pulmonary disease).
    Cathepsin C-IN-6
  • HY-120288
    AM4299B
    		Inhibitor
    AM4299B is an inhibitor for thiol protease. AM4299B inhibits bovine spleen cathepsin B, human kidney cathepsin L and papain with IC50s of 0.7, 0.5 and 20 μM, respectively. AM4299B can be used in research in osteoporosis, and has potential to be used as an antiparasitic agent.
    AM4299B
  • HY-P5999
    Z-FG-NHO-Bz
    		Inhibitor
    Z-FG-NHO-Bz is a selective cathepsin inhibitor.
    Z-FG-NHO-Bz
  • HY-100701
    Dutacatib
    		Inhibitor
    Dutacatib is inhibitor for SARS-CoV-2 3CLpro and cathepsin K, which exhibits antiviral activity and ameliorates the cancer-induced bone diseases.
    Dutacatib
  • HY-118959
    S2160
    S2160 is a substrate of Cathepsin B that can be utilized in the calorimetric assay for the measurement of cathepsin B.
    S2160
  • HY-124202
    SQ 32602
    		Inhibitor
    SQ 32602 is an inhibitor of cathepsin E, with the IC50 of 88 nM.
    SQ 32602
  • HY-169171
    Cathepsin L-IN-5
    		Inhibitor
    Cathepsin L-IN-5 (D6-3) is a potent Cathepsin L (CatL) inhibitor with an IC50 of 0.27 nM. Cathepsin L-IN-5 effectively blocks the CatL function and substantially hinders the entry of the SARS-CoV-2 pseudovirus to cells by inhibiting the cleavage of the spike protein. Cathepsin L-IN-5 can be utilized in SARS-CoV-2 research.
    Cathepsin L-IN-5
  • HY-15099
    NC 2300
    		Inhibitor
    NC 2300 (VEL-0230)is a selective and orally active cysteine cathepsin inhibitor with the IC50 values of 284, 34.5, and 186 nM for cathepsin B, K, and S, respectively.NC 2300 can be used for study of diseases involving bone mineral disorders.
    NC 2300
  • HY-125386
    SQ 32056
    		Inhibitor
    SQ 32056 is a cathepsin E inhibitor. SQ 32056 can block the pressor response to endothelin.
    SQ 32056
  • HY-129461
    Dibenzyl trisulfide
    		Inducer
    Dibenzyl trisulfide (DTS) is an active ingredient that can be isolated from Petiveria alliacea L.. Dibenzyl trisulfide inhibits cell proliferation and migration. Dibenzyl trisulfide decreased the mRNA and protein expression of BAK-1 and LTA. Dibenzyl trisulfide induces lysosomal membrane permeabilization and cathepsin B release.
    Dibenzyl trisulfide
  • HY-163029
    CTSL/B-IN-1
    		Inhibitor
    CTSLCTSB-IN-1 (compound 212-148) is a bispecific inhibitor of host viral spike cleaver proteins CTSL/CTSB and TMPRSS2 with IC50s of 2.13/64.07 nM and 1.38 μM, respectively. CTSLCTSB-IN-1 blocks two relevant SARS-CoV-2 viral entry pathways by inhibiting the viral spike cleavage and can be applied to anti-SARS-CoV-2 research.
    CTSL/B-IN-1
  • HY-163206
    SARS-CoV-2-IN-77
    		Inhibitor
    SARS-CoV-2-IN-77 (compound 11e) is a cathepsin L and cathepsin S inhibitor with Ki values of 111 nM and 103 nM, respectively. SARS-CoV-2-IN-77 inhibits SARS-CoV-2 with an EC50 value of 38.4 nM in Calu-3 cells without showing cytotoxicity.
    SARS-CoV-2-IN-77
  • HY-158763
    MPI8
    		Inhibitor
    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-113721
    BML-244
    		Inhibitor
    BML-244 is a potent cathepsin K inhibitor. BML-244 can be used in the study of rheumatoid arthritis (RA) and periodontitis.
    BML-244
  • HY-105668
    Cathepsin S-IN-1
    		Inhibitor
    Cathepsin S-IN-1 (example 1) is a Cathepsin S inhibitor.
    Cathepsin S-IN-1
  • HY-123753
    MDL 27399
    		Inhibitor
    MDL 27399 is an inhibitor of human neutrophil cathepsin G (Ki = 7 μM). MDL 27399 can be used for research of inflammatory diseases.
    MDL 27399
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Cathepsin Isoform Comparison

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