lysosomal cathepsin

By Targets:	Cathepsin (9) Amino Acid Derivatives (1) Antibody-Drug Conjugates (ADCs) (1) Apoptosis (3) Biochemical Assay Reagents (1) Caspase (1) Elastase (1) Fluorescent Dye (1) Kallikrein (1) Proteasome (1) Ser/Thr Protease (3) Thrombin (1) Topoisomerase (1) γ-secretase (1)
By Research Areas:	Cancer (8) Cardiovascular Disease (2) Infection (1) Inflammation/Immunology (1) Metabolic Disease (1) Neurological Disease (3)

Targets Recommended: Cathepsin

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-16594

Lactacystin 5+ Cited Publications	Proteasome Cathepsin Apoptosis	Cardiovascular Disease Infection Neurological Disease Cancer
Lactacystin is a potent, orally active, irreversible, cell-permeable, selective 20S proteasome inhibitor (IC₅₀ = 4.8 μM). Lactacystin also inhibits the lysosomal enzyme cathepsin A. Lactacystin inhibits cell growth and induces apoptosisand cell cycle arrest, and has antiviral and antioxidative activity. Lactacystin induces neurite outgrowth and hypertension. Lactacystin has the potential for the research of cancer, Neurological Disease, hypertension and Malaria, and so on ^[2] ^[6] .

HY-W011063

Gly-Phe-β-naphthylamide	Cathepsin	Metabolic Disease
Gly-Phe-β-naphthylamide is a substrate of Cathepsin C (HY-P2922) and belongs to the lysosomal agonist. Gly-Phe-β-naphthylamide can freely pass through the cell membrane and organelle membrane. Gly-Phe-β-naphthylamide will be specifically hydrolyzed by Cathepsin C, ultimately leading to a permeability lysis when it enters the acidic compartment. Gly-Phe-β-naphthylamide can be used to study lysosomal hydrolysis, lysosomal membrane permeability, and the function of cathepsin C .

HY-164729

FZ-AD005	Antibody-Drug Conjugates (ADCs) Topoisomerase Apoptosis	Cancer
FZ-AD005 is a DLL3-targeting antibody-drug conjugate (ADC) with high selectivity, composed of the anti-DLL3 antibody FZ-A038 (HY-P990896), a dipeptide linker (Val-Ala), and DXd (HY-13631D). The K_d value of FZ-AD005 for human DLL3 ranges from 13.29 to 58.3 pmol/L. After binding to DLL3 on the cell surface, FZ-AD005 mediates endocytosis, and the payload DXd is released via cleavage by lysosomal cathepsins. DXd inhibits topoisomerase TopI to induce double-strand DNA breaks, cell cycle arrest and apoptosis, and FZ-AD005 exhibits bystander killing activity against adjacent DLL3-negative cells. FZ-AD005 shows stable circulation in vivo, has good tolerance and acceptable pharmacokinetic profiles in rats and cynomolgus monkeys, and effectively inhibits the growth of DLL3-expressing tumor cells. FZ-AD005 serves as a promising candidate molecule for research on small cell lung cancer and human neuroendocrine prostate cancer .

HY-P1759

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

HY-P1759B

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

HY-42709

Z-Val-Ala-OH Carbobenzoxy-L-valyl-L-alanine	Amino Acid Derivatives	Cancer
Z-Val-Ala-OH is a dipeptide derivative of valine and alanine. Z-Val-Ala-OH undergoes cleavage by cathepsin B and other lysosomal proteases to enable payload release following lysosomal internalization. Z-Val-Ala-OH can be used for the research of antibody-drug conjugate (ADC) development[1] .

HY-P1759A

N-CBZ-Phe-Arg-AMC hydrochloride 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 .

HY-P2922

Cathepsin C	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 .

HY-P2750

Cathepsin D 1 Publications Verification CTSD	Biochemical Assay Reagents	Cardiovascular Disease Neurological Disease Cancer
Cathepsin D (CTSD) is a lysosomal aspartic protease encoded by the CTSD gene. Cathepsin D regulates lysosomal protease activity. Loss of Cathepsin D leads to lysosomal dysfunction and the accumulation of various cellular proteins associated with neurodegenerative diseases. Cathepsin D is involved in breast cancer metastasis. Cathepsin D can be used in research on diseases such as breast cancer and stroke .

HY-129461

Dibenzyl trisulfide DTS	Cathepsin	Cancer
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 .

HY-P4295

Z-Phe-Ala-diazomethylketone PADK	Cathepsin γ-secretase	Neurological Disease
Z-Phe-Ala-diazomethylketone binds directly to Aβ42 monomers and small oligomers. Z-Phe-Ala-diazomethylketone inhibits the formation of Aβ42 dodecamers and inhibits Aβ42 fibril formation in the solution. Z-Phe-Ala-diazomethylketone has the potential for neurodegenerative disorders research .

HY-P5377

Abz-HPGGPQ-EDDnp cathepsin K substrate	Ser/Thr Protease	Others
Abz-HPGGPQ-EDDnp (Cathepsin K substrate) is a biological active peptide. (Cathepsins are a class of globular lysosomal proteases, playing a vital role in mammalian cellular turnover. They degrade polypeptides and are distinguished by their substrate specificities. Cathepsin K is the lysosomal cysteine protease involved in bone remodeling and resorption. It has potential as a drug target in autoimmune diseases and osteoporosis.This FRET peptide can be used to monitor selectively cathepsin K activity in physiological fluids and cell lysates. Abz-HPGGPQ-EDDnp [where Abz represents o-aminobenzoic acid and EDDnp represents N -(2, 4-dinitrophenyl)-ethylenediamine], a substrate initially developed for trypanosomal enzymes, is efficiently cleaved at the Gly-Gly bond by cathepsin K. This peptide is resistant to hydrolysis by cathepsins B, F, H, L, S and V, Ex/Em=340 nm/420 nm.)

HY-E70228

Cathepsin H, human liver	Ser/Thr Protease	Cancer
Cathepsin H, human liver is an aminopeptidase and an endopeptidase. Involved in the catabolism of proteins in the lysosomal system. Cathepsin H, human liver has a key role in the regulation of the biological behavior of tumor cells and the pathological processes of brain diseases .

HY-D2254

CTB probe-1	Fluorescent Dye	Others
CTB probe-1 (probe 1) a lysosome-targeting fluorogenic small-molecule probe for fluorescence imaging in living cells .

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 .

HY-P4404

Abz-GIVRAK(Dnp)	Cathepsin	Others
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 .

HY-P10669

NDI-Lyso	Caspase Apoptosis	Cancer
NDI-Lyso is a lysosome-targeted anticancer agent that induces the formation of rigid long fibers in cancer cell lysosomes through an enzyme-instructed self-assembly (EISA) mechanism catalyzed by cathepsin B. This process triggers lysosomal swelling, membrane permeabilization (LMP), and membrane disruption, ultimately leading to cancer cell apoptosis via a non-classical caspase-independent pathway. NDI-Lyso exhibits significant selective anticancer activity in various cancer cell lines and drug-resistant cancer cells (IC₅₀ ~10 μM) while showing low toxicity to normal cells (IC₅₀ > 60 μM) .

HY-167924

Ono 3307 free base	Kallikrein Thrombin Ser/Thr Protease	Inflammation/Immunology
Ono 3307 Free base is a novel synthetic protease inhibitor that exhibits protective effects against acute pancreatitis by preventing hyperamylasemia and pancreatic edema. Ono 3307 Free base also inhibits the redistribution of lysosomal enzymes in acinar cells and mitigates lactic dehydrogenase discharge. Ono 3307 Free base effectively reduces cathepsin B leakage from lysosomes in a dose-dependent manner. Ono 3307 Free base is able to target trypsin (K_i=48 nM), thrombin (K_i=0.18 μM), plasma kallikrein (K_i=0.29 μM), plasmin (K_i=0.31 μM), pancreatic kallikrein (K_i=3.6 μM), and chymotrypsin (K_i=47 μM).

Cat. No.	Product Name	Type

HY-164729

FZ-AD005	Fluorescent Dyes
FZ-AD005 is a DLL3-targeting antibody-drug conjugate (ADC) with high selectivity, composed of the anti-DLL3 antibody FZ-A038 (HY-P990896), a dipeptide linker (Val-Ala), and DXd (HY-13631D). The K_d value of FZ-AD005 for human DLL3 ranges from 13.29 to 58.3 pmol/L. After binding to DLL3 on the cell surface, FZ-AD005 mediates endocytosis, and the payload DXd is released via cleavage by lysosomal cathepsins. DXd inhibits topoisomerase TopI to induce double-strand DNA breaks, cell cycle arrest and apoptosis, and FZ-AD005 exhibits bystander killing activity against adjacent DLL3-negative cells. FZ-AD005 shows stable circulation in vivo, has good tolerance and acceptable pharmacokinetic profiles in rats and cynomolgus monkeys, and effectively inhibits the growth of DLL3-expressing tumor cells. FZ-AD005 serves as a promising candidate molecule for research on small cell lung cancer and human neuroendocrine prostate cancer .

FZ-AD005

Fluorescent Dyes

FZ-AD005 is a DLL3-targeting antibody-drug conjugate (ADC) with high selectivity, composed of the anti-DLL3 antibody FZ-A038 (HY-P990896), a dipeptide linker (Val-Ala), and DXd (HY-13631D). The K_d value of FZ-AD005 for human DLL3 ranges from 13.29 to 58.3 pmol/L. After binding to DLL3 on the cell surface, FZ-AD005 mediates endocytosis, and the payload DXd is released via cleavage by lysosomal cathepsins. DXd inhibits topoisomerase TopI to induce double-strand DNA breaks, cell cycle arrest and apoptosis, and FZ-AD005 exhibits bystander killing activity against adjacent DLL3-negative cells. FZ-AD005 shows stable circulation in vivo, has good tolerance and acceptable pharmacokinetic profiles in rats and cynomolgus monkeys, and effectively inhibits the growth of DLL3-expressing tumor cells. FZ-AD005 serves as a promising candidate molecule for research on small cell lung cancer and human neuroendocrine prostate cancer .

HY-D2254

CTB probe-1	Fluorescent Dyes
CTB probe-1 (probe 1) a lysosome-targeting fluorogenic small-molecule probe for fluorescence imaging in living cells .

Cat. No.	Product Name	Type

HY-P1759A

N-CBZ-Phe-Arg-AMC hydrochloride Z-FR-AMC hydrochloride	Biochemical Assay Reagents
N-CBZ-Phe-Arg-AMC (Z-FR-AMC) hydrochloride is a *cathepsin* substrate used in assessment activity of lysosomal cathepsin enzymes .

Cat. No.	Product Name	Target	Research Area

HY-P1759

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

HY-P1759B

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

HY-42709

Z-Val-Ala-OH Carbobenzoxy-L-valyl-L-alanine	Amino Acid Derivatives	Cancer
Z-Val-Ala-OH is a dipeptide derivative of valine and alanine. Z-Val-Ala-OH undergoes cleavage by cathepsin B and other lysosomal proteases to enable payload release following lysosomal internalization. Z-Val-Ala-OH can be used for the research of antibody-drug conjugate (ADC) development[1] .

HY-P4295

Z-Phe-Ala-diazomethylketone PADK	Cathepsin γ-secretase	Neurological Disease
Z-Phe-Ala-diazomethylketone binds directly to Aβ42 monomers and small oligomers. Z-Phe-Ala-diazomethylketone inhibits the formation of Aβ42 dodecamers and inhibits Aβ42 fibril formation in the solution. Z-Phe-Ala-diazomethylketone has the potential for neurodegenerative disorders research .

HY-P5377

Abz-HPGGPQ-EDDnp cathepsin K substrate	Ser/Thr Protease	Others
Abz-HPGGPQ-EDDnp (Cathepsin K substrate) is a biological active peptide. (Cathepsins are a class of globular lysosomal proteases, playing a vital role in mammalian cellular turnover. They degrade polypeptides and are distinguished by their substrate specificities. Cathepsin K is the lysosomal cysteine protease involved in bone remodeling and resorption. It has potential as a drug target in autoimmune diseases and osteoporosis.This FRET peptide can be used to monitor selectively cathepsin K activity in physiological fluids and cell lysates. Abz-HPGGPQ-EDDnp [where Abz represents o-aminobenzoic acid and EDDnp represents N -(2, 4-dinitrophenyl)-ethylenediamine], a substrate initially developed for trypanosomal enzymes, is efficiently cleaved at the Gly-Gly bond by cathepsin K. This peptide is resistant to hydrolysis by cathepsins B, F, H, L, S and V, Ex/Em=340 nm/420 nm.)

HY-P4404

Abz-GIVRAK(Dnp)	Cathepsin	Others
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 .

HY-P10669

NDI-Lyso	Caspase Apoptosis	Cancer
NDI-Lyso is a lysosome-targeted anticancer agent that induces the formation of rigid long fibers in cancer cell lysosomes through an enzyme-instructed self-assembly (EISA) mechanism catalyzed by cathepsin B. This process triggers lysosomal swelling, membrane permeabilization (LMP), and membrane disruption, ultimately leading to cancer cell apoptosis via a non-classical caspase-independent pathway. NDI-Lyso exhibits significant selective anticancer activity in various cancer cell lines and drug-resistant cancer cells (IC₅₀ ~10 μM) while showing low toxicity to normal cells (IC₅₀ > 60 μM) .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-16594

Lactacystin 5+ Cited Publications	Structural Classification Microorganisms Antibiotics Other Antibiotics Source Classification	Proteasome Cathepsin Apoptosis
Lactacystin is a potent, orally active, irreversible, cell-permeable, selective 20S proteasome inhibitor (IC₅₀ = 4.8 μM). Lactacystin also inhibits the lysosomal enzyme cathepsin A. Lactacystin inhibits cell growth and induces apoptosisand cell cycle arrest, and has antiviral and antioxidative activity. Lactacystin induces neurite outgrowth and hypertension. Lactacystin has the potential for the research of cancer, Neurological Disease, hypertension and Malaria, and so on ^[2] ^[6] .

HY-129461

Dibenzyl trisulfide DTS	Natural Products Petiveriaceae Plants Petiveria alliacea Source Classification	Cathepsin
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 .

Species:	Human (2) Mouse (1)
Tag:	His (3)
Source:	HEK293 (3)

Cat. No.	Compare	Product Name	Species	Source	Image

HY-P74346

	Cathepsin A Protein, Mouse (HEK293, His) lysosomal protective protein; CTSA; cathepsin A; PPCA; Ppgb	Mouse	HEK293
	Cathepsin A, a multifunctional protein, crucially supports beta-galactosidase and neuraminidase activities.It forms protective associations with these enzymes, ensuring their stability and overall function.Cathepsin A also displays carboxypeptidase activity and the ability to deamidate tachykinins, highlighting its diverse enzymatic functions.Cathepsin A Protein, Mouse (HEK293, His) is the recombinant mouse-derived Cathepsin A protein, expressed by HEK293 , with C-10*His labeled tag.

HY-P7745A

	Cathepsin A Protein, Human (HEK293, His) lysosomal protective protein; CTSA; Carboxypeptidase C; Carboxypeptidase L; cathepsin A	Human	HEK293
	Cathepsin A protein is an important protective factor for β-galactosidase and neuraminidase, maintaining their stability and optimizing enzyme activity. Its carboxypeptidase activity expands its functional repertoire and can deamid tachykinins and participate in a variety of biochemical processes. Cathepsin A Protein, Human (HEK293, His) is the recombinant human-derived Cathepsin A, expressed by HEK293, with C-6His labeled tag. The total length of Cathepsin A Protein, Human (HEK293, His) is 452 a.a.*.

HY-P7745

	Cathepsin A Protein, Human (HEK293, His, solution) 1 Publications Verification rHucathepsin A, His; lysosomal protective protein; CTSA; Carboxypeptidase C; Carboxypeptidase L; cathepsin A	Human	HEK293
	Cathepsin A Protein, Human (HEK293, His, solution) is a 58-60 kDa human cathepsin A protein with a His-flag. Cathepsin A is a multicatalytic enzyme with carboxypeptidase activities.

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lysosomal cathepsin

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