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

Cathepsin

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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-103351
    Cathepsin G Inhibitor I
    Inhibitor ≥99.0%
    Cathepsin G Inhibitor I (compound 7) is an effective, selective, reversible, competitive, non-peptide cathepsin G inhibitor (IC50=53 nM; Ki=63 nM).
    Cathepsin G Inhibitor I
  • HY-P0109A
    Z-FA-FMK
    Inhibitor 99.14%
    Z-FA-FMK ((1S)-Z-FA-FMK) is a potent Cathepsin B and L inhibitor. Z-FA-FMK blocks the induction of DEVDase activity, DNA fragmentation, and externalization of phosphatidylserine by selective synthetic retinoid-related molecules (RRMs). Z-FA-FMK inhibits apoptosis. Z-FA-FMK inhibits caspase activity and selectively inhibits recombinant effector caspases 2, -3, -6, and -7. Z-FA-FMK is a viral inhibitor. Z-FA-FMK inhibits reovirus replication in a susceptible host.
    Z-FA-FMK
  • HY-15100
    Balicatib
    Inhibitor 98.25%
    Balicatib (AAE581) is a potent, orally active and selective cathepsin K inhibitor with IC50 values of 22, 61, 48, 2900 nM for cathepsin K, cathepsin B, cathepsin L, cathepsin S, respectively. Balicatib inhibits bone turnover, decreases bone formation rates. Balicatib has the potential for the research of osteoporosis.
    Balicatib
  • HY-D0843S
    N-Ethylmaleimide-d5
    Inhibitor 99.90%
    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-d<sub>5</sub>
  • HY-P4373A
    Hepcidin-1 (mouse) (TFA)
    Inducer 98.94%
    Hepcidin-1 (mouse) TFA is an endogenous peptide hormone involved in the regulation of iron homeostasis. Hepcidin-1 (mouse) TFA upregulates mRNA levels of TRAP, cathepsin K, and MMP-9 and increases TRAP-5b protein secretion. Hepcidin-1 (mouse) TFA downregulates the level of FPN1 protein and increases intracellular iron. Hepcidin-1 (mouse) TFA facilitates osteoclast differentiation.
    Hepcidin-1 (mouse) (TFA)
  • HY-118355
    ALLM
    Inhibitor 98.60%
    ALLM (Calpain inhibitor II) is a potent inhibitor of calpain and cathepsin proteases. ALLM inhibits neuronal cell death and improves chronic neurological function after spinal cord injury (SCI).
    ALLM
  • HY-134434
    Z-Arg-Arg-AMC hydrochloride
    99.79%
    Z-Arg-Arg-AMC hydrochloride is a selective substrate of cathepsin B.
    Z-Arg-Arg-AMC hydrochloride
  • HY-115733
    Cathepsin L-IN-2
    Inhibitor 98.27%
    Cathepsin L-IN-2 ((Rac)-Z-Phe-Phe-FMK) is an isomer of the Cathepsin L inhibitor Z-Phe-Phe-FMK (HY-141867), with an IC50 of 15 μM for cathepsin L. Z-Phe-Phe-FMK irreversibly blocks the proteolytic function of cathepsins by covalently binding to the cysteine residues in the active center of the enzyme. Cathepsin L-IN-2 and Z-Phe-Phe-FMK can be used to study neurodegenerative diseases (such as GRN-related frontotemporal dementia) and cancer invasion and metastasis.
    Cathepsin L-IN-2
  • HY-P4217
    Z-Gly-Pro-Arg-AMC hydrochloride
    Inhibitor 98.63%
    Z-Gly-Pro-Arg-AMC hydrochloride a fluorescent trypsin and cathepsin K substrate. Z-Gly-Pro-Arg-AMC hydrochloride can be used to determine trypsin and cathepsin K activity.
    Z-Gly-Pro-Arg-AMC hydrochloride
  • HY-112818
    S130
    Inhibitor 99.43%
    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-128971
    LHVS
    Inhibitor 98.03%
    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-109069
    Petesicatib
    Inhibitor 99.66%
    Petesicatib (RO5459072; RG-7625) is a cathepsin S inhibitor, used in research of immune diseases.
    Petesicatib
  • HY-10294
    Relacatib
    Inhibitor 99.99%
    Relacatib (SB-462795) is a novel, potent, and orally active inhibitor of human cathepsins K, L, and V with Ki values of 41 pM, 68 pM, and 53 pM, respectively. Relacatib inhibits endogenous cathepsin K in situ in human osteoclasts and human osteoclast-mediated bone resorption with IC50 values of 45 nM and 70 nM, respectively. Relacatib inhibits bone resorption in vitro in human tissue as well as in cynomolgus monkeys in vivo.
    Relacatib
  • HY-146985
    Cathepsin X-IN-1
    Inhibitor 99.62%
    Cathepsin X-IN-1 (compound 25) is a potent Cathepsin X inhibitor with an IC50 of 7.13 µM. Cathepsin X-IN-1 decreases PC-3 cell migration with low cytotoxic.
    Cathepsin X-IN-1
  • HY-102087
    JPM-OEt
    Inhibitor 98.99%
    JPM-OEt is a broad spectrum cysteine cathepsin inhibitor. JPM-OEt binds covalently in the active site, and irreversibly inhibits the cysteine cathepsin family. Antitumor activity.
    JPM-OEt
  • HY-118762
    KGP94
    Inhibitor 99.77%
    KGP94 is a selective inhibitor of cathepsin L with an IC50 of 189 nM. KGP94 inhibits migration and invasion of metastatic carcinoma and shows low cytotoxicity (GI50=26.9 µM) against various human cell lines.
    KGP94
  • HY-17541
    Cysteine Protease inhibitor
    Inhibitor
    Cysteine Protease inhibitor is an inhibitor of cysteine protease.
    Cysteine Protease inhibitor
  • HY-P0111
    Z-WEHD-FMK
    Inhibitor ≥98.0%
    Z-WEHD-FMK is a potent, cell-permeable and irreversible caspase-1/5 inhibitor. Z-WEHD-FMK also exhibits a robust inhibitory effect on cathepsin B activity (IC50=6 μM). Z-WEHD-FMK can be used to investigate cells for evidence of apoptosis.
    Z-WEHD-FMK
  • HY-P1759B
    N-CBZ-Phe-Arg-AMC TFA
    99.95%
    N-CBZ-Phe-Arg-AMC (Z-FR-AMC) TFA is a cathepsin substrate used in assessment activity of lysosomal cathepsin enzymes.
    N-CBZ-Phe-Arg-AMC TFA
  • HY-103352
    L-006235
    Inhibitor 99.96%
    L-006235 (L-235) is a potent, selective, reversible and orally active inhibitor of cathepsin K, with an IC50 of 5 nM in bone resorption assay. L-006235 shows selectivity for cathepsin K (Ki=0.2 nM) over cathepsin B, cathepsin L, and cathepsin S (Ki=1, 6, and 47 μM, respectively). L-006235 can reduce collagen degradation and prevent bone loss.
    L-006235
Cat. No. Product Name / Synonyms Species Source
Cat. No. Product Name / Synonyms Application Reactivity

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