cathepsin L protease

Pathways Recommended:	Metabolic Enzyme/Protease

By Targets:	Cathepsin (8) Virus Protease (1) Antibiotic (1) Apoptosis (1) Beta-secretase (2) CCR (1) Cytochrome P450 (1) Elastase (3) Filovirus (1) Fluorescent Dye (1) HIV (1) Parasite (2) Proteasome (2) SARS-CoV (5)
By Research Areas:	Cancer (4) Cardiovascular Disease (1) Infection (7) Inflammation/Immunology (7) Metabolic Disease (1) Neurological Disease (4)

Targets Recommended: Cathepsin Virus Protease HCV Protease HIV Protease Protease Activated Receptor (PAR) Ser/Thr Protease ClpP Enteropeptidase

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-W790014

Z-FG-NHO-BzOME

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	Cathepsin	Infection
Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

HY-156655A

Olgotrelvir sodium STI-1558 sodium	SARS-CoV Cathepsin	Infection
Olgotrelvir sodium is an orally active dual inhibitor of *coronavirus main protease* (Mpro)** and human cell cathepsin (Cathepsin L). Olgotrelvir sodium can effectively inhibit both SARS-CoV-2 replication and entry into host cells .

HY-E70226

Cathepsin S, human CTSS	Others	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 .

HY-143714

Cathepsin K inhibitor 2	Cathepsin	Inflammation/Immunology
Cathepsin K inhibitor 2 is a potent inhibitor of cathepsin K. Cathepsin K, Cat K is a cysteine protease expressed under the control of CTSK gene and closely related to osteoporosis, whose main function is to hydrolyze collagen. Cathepsin K inhibitor 2 has the potential for the research of osteoarthfitis (extracted from patent WO2021147882A1, compound 78) .

HY-A0097A

Teicoplanin sodium Antibiotic MDL-507 sodium; MDL-507 sodium	Antibiotic HIV SARS-CoV	Infection
Teicoplanin sodium is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin sodium shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

HY-E70227

Cathepsin G, human neutrophils CTSH; ACC4; ACC5	Others	Inflammation/Immunology
Cathepsin G, human neutrophils (CTSH; ACC4) a serine protease found in polymorphonuclear neutrophils (PMNs), functions in inflammation .

HY-Y0241

2-Cyanopyrimidine	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 .

HY-100227

E 64c 2 Publications Verification
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.

HY-146584

Cathepsin C-IN-5	Cathepsin	Inflammation/Immunology
Cathepsin C-IN-5 (compound SF38) is a potent, selective and orally active Cathepsin C inhibitor with IC₅₀s of 59.9 nM, 4.26 µM, >5 µM, >5 µM, >5 µM for Cat C, Cat L, Cat S, Cat B, Cat K, respectively. Cathepsin C-IN-5 inhibits the Cat C activity in bone marrow and blood. Cathepsin C-IN-5 decreases the activation of NSPs (neutrophil serine proteases). Cathepsin C-IN-5 shows anti-inflammatory activity .

HY-149931

BMV109	Fluorescent Dye	Cancer
BMV109 is a quenched probe that becomes fluorescent when cleaved and covalently bound by active cathepsin proteases. BMV109 can be exploited for tumor imaging .

HY-18964

MG-101 5+ 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 K_is 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 .

HY-118355

ALLM Calpain inhibitor II	Proteasome Cathepsin	Neurological Disease
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) .

HY-119293

K777 1 Publications Verification	Cathepsin CCR Cytochrome P450 Parasite SARS-CoV Filovirus	Infection 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 and a selective CCR4 antagonist featuring the potent chemotaxis inhibition. 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 .

HY-128971

LHVS	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 .

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-15652

Freselestat ONO-6818; ONO-PO-736	Elastase	Inflammation/Immunology
Freselestat (ONO-6818) is a potent and orally active neutrophil elastase inhibitor with a K_i of 12.2 nM. Freselestat is >100-fold less-active against other proteases such as trypsin, protein-ase 3, pancreatic elastase, plasmin, thrombin, collagenase, cathepsin G, and murine macrophage elastase. Freselestat has a potent anti-inflammatory activity .

HY-124322

NB-360	Beta-secretase	Neurological Disease Inflammation/Immunology
NB-360 is a potent, brain penetrable, and orally bioavailable dual BACE1/BACE2 inhibitor (IC₅₀: mouse and human BACE1=5 nM; BACE2=6 nM). NB-360 shows a superior pharmacological profile and robust reduction of amyloid-β and neuroinflammation in amyloid precursor protein(APP) transgenic mice. NB-360 can completely block the progression of Aβ deposition in the brains of APP transgenic mice. NB-360 shows excellent selectivity over the related aspartyl proteases pepsin, cathepsin D and cathepsin E .

HY-15652A

Freselestat quarterhydrate ONO-6818 quarterhydrate; ONO-PO-736 quarterhydrate	Elastase	Inflammation/Immunology
Freselestat quarterhydrate (ONO-6818 quarterhydrate) is a potent and orally active neutrophil elastase inhibitor with a K_i of 12.2 nM. Freselestat quarterhydrate is >100-fold less-active against other proteases such as trypsin, protein-ase 3, pancreatic elastase, plasmin, thrombin, collagenase, cathepsin G, and murine macrophage elastase. Freselestat quarterhydrate has a potent anti-inflammatory activity .

HY-10472

LY2811376 Maximum Cited Publications 10 Publications Verification	Beta-secretase	Neurological Disease
LY2811376 is the first orally available non-peptidic β-secretase (BACE1) inhibitor with IC₅₀ of 239 nM-249 nM, that acts to decrease Aβ secretion with EC₅₀ of 300 nM, and demonstrates to have 10-fold selectivity towards BACE1 over BACE2, and more than 50-fold inhibition over other aspartic proteases including cathepsin D, pepsin, or renin.

HY-151900

SARS-CoV-2 Mpro-IN-4	SARS-CoV Virus Protease	Infection
SARS-CoV-2 Mpro-IN-4 is a dual Inhibitor of Main Protease (M ^Pro) and Cathepsin L (CatL), with IC₅₀s of 900 nM and 60 nM respectively. SARS-CoV-2 Mpro-IN-4 has antiviral activity against SARS-CoV2. SARS-CoV-2 Mpro-IN-4 blocks SARS-CoV2 replication in hACE2 expressing A549 cells with IC₅₀ value of 8.2 nM .

HY-151901

SARS-CoV-2 Mpro-IN-5	SARS-CoV	Infection
SARS-CoV-2 Mpro-IN-5 is a dual Inhibitor of Main Protease (M ^Pro) and Cathepsin L (CatL), with IC₅₀s of 1800 nM and 145 nM respectively. SARS-CoV-2 Mpro-IN-5 has antiviral activity against SARS-CoV2. SARS-CoV-2 Mpro-IN-5 blocks SARS-CoV2 replication in hACE2 expressing A549 cells with IC₅₀ value of 14.7 nM .

Cat. No.	Product Name

HY-L012

Metabolism/Protease Compound Library	4475 compounds
Metabolism is the set of life-sustaining chemical reactions in organisms. Metabolic pathways are enzyme-mediated biochemical reactions that lead to biosynthesis (anabolism) or breakdown (catabolism) of natural product small molecules within a cell or tissue. Acting as catalysts, enzymes are crucial to metabolism - they allow a reaction to proceed more rapidly - and they also allow the regulation of the rate of a metabolic reaction. Proteases are used throughout an organism for various metabolic processes. Proteases control a great variety of physiological processes that are critical for life, including the immune response, cell cycle, cell death, wound healing, food digestion, and protein and organelle recycling. Imbalances in metabolic activities have been found to be critical in a number of pathologies, such as cardiovascular diseases, inflammation, cancer, and neurodegenerative diseases. MCE designs a unique collection of 4475 Metabolism/Protease-related small molecules that act as a useful tool for drug discovery of metabolism-related diseases.

Metabolism/Protease Compound Library

4475 compounds

Metabolism is the set of life-sustaining chemical reactions in organisms. Metabolic pathways are enzyme-mediated biochemical reactions that lead to biosynthesis (anabolism) or breakdown (catabolism) of natural product small molecules within a cell or tissue. Acting as catalysts, enzymes are crucial to metabolism - they allow a reaction to proceed more rapidly - and they also allow the regulation of the rate of a metabolic reaction. Proteases are used throughout an organism for various metabolic processes. Proteases control a great variety of physiological processes that are critical for life, including the immune response, cell cycle, cell death, wound healing, food digestion, and protein and organelle recycling. Imbalances in metabolic activities have been found to be critical in a number of pathologies, such as cardiovascular diseases, inflammation, cancer, and neurodegenerative diseases.

MCE designs a unique collection of 4475 Metabolism/Protease-related small molecules that act as a useful tool for drug discovery of metabolism-related diseases.

Cat. No.	Product Name	Type

HY-P2780

Cathepsin B	Biochemical Assay Reagents
Cathepsin B is a cysteine protease and is involved in multiple kinds of programmed cell death (including apoptosis, pyroptosis, ferroptosis, necroptosis, and autophagic cell death) .

Cat. No.	Product Name	Target	Research Area

HY-W790014

Z-FG-NHO-BzOME

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	Cathepsin	Infection
Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain .

HY-P5378

Ac-KQKLR-AMC cathepsin S substrate	Peptides	Others
Ac-KQKLR-AMC (Cathepsin S 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 S is a cysteine proteinase involved in the pathogenesis of autoimmune diseases, atherosclerosis, cancer, obesity and related diseases.This peptide is a cathepsin S substrate fluorescently labeled with AMC (Ex/Em=354 nm/442 nm). It can be used to measure cathepsin S activity.)

HY-P5377

Abz-HPGGPQ-EDDnp cathepsin K substrate	Peptides	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-P2780

Cathepsin B	Peptides	Others
Cathepsin B is a cysteine protease and is involved in multiple kinds of programmed cell death (including apoptosis, pyroptosis, ferroptosis, necroptosis, and autophagic cell death) .

HY-P4404

Abz-GIVRAK(Dnp)	Peptides	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 .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-A0097A

Teicoplanin sodium Antibiotic MDL-507 sodium; MDL-507 sodium	Structural Classification Source classification Phenols Polyphenols Endogenous metabolite	Antibiotic HIV SARS-CoV
Teicoplanin sodium is a glycopeptide antibiotic indicated for use in serious infections caused by Gram-positive bacteria, including Methicillin-resistant Staphylococcus aureus and Enterococcus aureus.Teicoplanin sodium shows antiviral activity for HIV-1, SARS-CoV1 and SARS-CoV2. Teicoplanin sodium shows anti-MRSA activity .

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Screening Libraries

Biochemical Assay Reagents

Peptides

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