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-P10117
    Cathepsin K inhibitor 5
    		Inhibitor
    Cathepsin K inhibitor 5 is a potent Cathepsin K inhibitor.
    Cathepsin K inhibitor 5
  • HY-RS03326
    Ctsc Mouse Pre-designed siRNA Set A
    		Inhibitor

    Ctsc Mouse Pre-designed siRNA Set A contains three designed siRNAs for Ctsc gene (Mouse), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Ctsc Mouse Pre-designed siRNA Set A
  • 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-163389
    Mpro/Cathepsin L-IN-1
    		Inhibitor
    Mpro/Cathepsin L-IN-1 (Compound 4d) is a SARS-CoV-2 Mpro/hCatL inhibitor, with Kis of 5.54 μM and 0.701 μM respectively.
    Mpro/Cathepsin L-IN-1
  • HY-RS03324
    Ctsb Rat Pre-designed siRNA Set A
    		Inhibitor

    Ctsb Rat Pre-designed siRNA Set A contains three designed siRNAs for Ctsb gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Ctsb Rat Pre-designed siRNA Set A
  • HY-164956
    TB-9
    		Inhibitor
    TB-9, a Tasiamide B (HY-N15154) derivative, is a potent cathepsin D, cathepsin E, and BACE1 inhibitor with IC50s of 0.0783 nM, 0.724 nM, and 54.2 nM, respectively.
    TB-9
  • HY-177315
    Cathepsin K-IN-8
    		Inhibitor
    Cathepsin K-IN-8 (cxample 6-60) is a cathepsin K inhibitor that can be used for the study of inflammation, rheumatoid arthritis, osteoarthritis, osteoporosis and tumors.
    Cathepsin K-IN-8
  • HY-P4306
    Z-Phe-Phe-Diazomethylketone
    		Inhibitor
    Z-Phe-Phe-Diazomethylketone is a selective inhibitor of cathepsin L.
    Z-Phe-Phe-Diazomethylketone
  • HY-170772
    Dual Cathepsin L/JAK-IN-1
    		Inhibitor
    Dual Cathepsin L/JAK-IN-1 (Compound A8) is a dual inhibitor of Cathepsin L (CTSL) and JAK, with IC50 values of 0.68 μM, 337.1 nM, 5.251 nM, 27.29 nM, and 172.6 nM for CTSL, JAK1/2/3, and TYK2, respectively. Dual Cathepsin L/JAK-IN-1 effectively blocks the activation of the MAPK, NF-κB, and JAK/STAT signaling pathways, leading to significant anti-inflammatory therapeutic effects. Dual Cathepsin L/JAK-IN-1 can be used in research on acute lung injury (ALI).
    Dual Cathepsin L/JAK-IN-1
  • HY-P10922
    Cathepsin E substrate e
    Cathepsin E substrate e is a substrate of Cathepsin E. Cathepsin E substrate e was designed in such a way that due to the close proximity of a Mca-donor and a Dnp-acceptor, a near complete intramolecular quenching effect was achieved in its intact state. After the proteolytic cleavage of the hydrophobic motif of the peptide substrate, both Mca and Dnp would be further apart, resulting in bright fluorescence.
    Cathepsin E substrate e
  • HY-161596
    SmCB1-IN-1
    		Inhibitor
    SmCB1-IN-1 (Compound 2h) is an inhibitor for S. mansoni cathepsin B1 (SmCB1) with an Ki of 0.05 μM. SmCB1-IN-1 exhibits selectivity toward human off-target cathepsins (29% and 37% inhibition for CatB and CatL at 20 μM). SmCB1-IN-1 inhibits 68% Schistosoma mansoni at 1 μM.
    SmCB1-IN-1
  • HY-RS03337
    CTSK Human Pre-designed siRNA Set A
    		Inhibitor

    CTSK Human Pre-designed siRNA Set A contains three designed siRNAs for CTSK gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    CTSK Human Pre-designed siRNA Set A
  • HY-155667
    Z-Nle-Lys-Arg-AMC
    Z-Nle-Lys-Arg-AMC is a fluorogenic peptide substrate that specifically monitors cathepsin B activity over a broad pH range.
    Z-Nle-Lys-Arg-AMC
  • HY-172242
    Verducatib
    		Inhibitor
    Verducatib is a cathepsin inhibitor.
    Verducatib
  • HY-161244
    FGA145
    		Inhibitor
    FGA145 is a dual, selective inhibitor for Mpro and human Cathepsin L, with Kis of 3.71 μM, 9.82 μM and 53 nM, for Mal-Mpro, pET21-Mpro and Cathepsin L, respectively. FGA145 reveals a multitarget effects in the antiviral activity.
    FGA145
  • 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-P4404
    Abz-GIVRAK(Dnp)
    Abz-GIVRAK(Dnp) is the most efficient substrate for cathepsin B and is highly selective for this enzyme among lysosomal cysteine proteases. After Abz-GIVRAK(Dnp) is hydrolyzed, aminoacylbenziminosulfosuccinic acid (Abz-SAS) is released, and dinitrobenzoyl (Dnp) is also released. The product of this hydrolysis reaction, Abz-SAS, is fluorescent under ultraviolet light and can emit a fluorescent signal.
    Abz-GIVRAK(Dnp)
  • 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
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity
Cathepsin Isoform Comparison

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