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Serine+proteases

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Ser/Thr Protease (73) APC (4) Apoptosis (17) Bacterial (4) Biochemical Assay Reagents (10) Caspase (2) Cathepsin (5) CDK (2) ClpP (1) Complement System (1) COX (1) Dipeptidyl Peptidase (3) DNA/RNA Synthesis (3) Elastase (2) Endogenous Metabolite (3) Epigenetic Reader Domain (2) ERK (1) Factor Xa (9) FAP (2) Flavivirus (5) Fluorescent Dye (8) FOXO (1) Fungal (1) Furin (3) HCV (2) HCV Protease (2) Hepcidin (1) HIV (1) HPV (1) HSV (1) Influenza Virus (2) Interleukin Related (3) MMP (4) mRNA (2) NF-κB (4) Notch (1) p38 MAPK (1) PAI-1 (6) Parasite (1) PDK-1 (1) Phosphatase (1) PKC (1) Plasminogen/Plasmin (1) Prolyl Endopeptidase (PREP) (2) Prostaglandin Receptor (1) Protease Activated Receptor (PAR) (6) Proteasome (3) Reactive Oxygen Species (ROS) (1) Reference Standards (5) SARS-CoV (8) Sirtuin (1) Small Interfering RNA (siRNA) (1) Thrombin (10) TMPRSS6 (2) TNF Receptor (5) Toll-like Receptor (TLR) (1) VEGFR (2) Wnt (1)
By Research Areas:	Cancer (33) Cardiovascular Disease (35) Infection (30) Inflammation/Immunology (29) Metabolic Disease (13) Neurological Disease (12)
Oligonucleotides:	Aptamers (1) mRNA (2) siRNA drugs (1) Polymers (4) siRNAs (1)

147

Inhibitors & Agonists

Fluorescent Dyes

Biochemical Assay Reagents

Peptides

Inhibitory Antibodies

Natural
Products

Isotope-Labeled Compounds

Oligonucleotides

Targets Recommended: Ser/Thr Protease

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-B0496

PMSF Maximum Cited Publications 146 Publications Verification Phenylmethylsulfonyl fluoride; Benzylsulfonyl fluoride	Cathepsin Ser/Thr Protease	Neurological Disease
PMSF (Phenylmethylsulfonyl fluoride) is a nonspecific and irreversible *serine proteases* inhibitor. PMSF inhibits some thiol proteases, non-protease enzymes, and acetylcholinesterase. PMSF can be used to prepare protein extracts from tissue and cell lysates .

HY-P2974

Elastase, Porcine pancreas 4 Publications Verification EC 3.4.21.36; Pancreatopeptidase E	Elastase	Metabolic Disease
Elastase, Porcine pancreas (EC 3.4.21.36) is a single polypeptide chain of 240 amino acid residues, derived from pig pancreas. Elastase, Porcine pancreas is a serine protease that can hydrolyze proteins and polypeptide. Elastase from porcine pancreas can induce emphysema in hamsters .

HY-108717

Proteinase K 20+ Cited Publications Protease K	Ser/Thr Protease	Others
Proteinase K (Protease K) is a nonspecific serine protease that is useful for general digestion of proteins. Proteinase K is active in the presence of SDS or urea and over a wide range of pH (4-12), salt concentrations, and temperatures. Proteinase K can be use for promoting methods of viral nucleic acid extraction, and detection .

HY-12821

AEBSF hydrochloride 15+ Cited Publications	Thrombin Influenza Virus Ser/Thr Protease	Others
AEBSF hydrochloride is an irreversible inhibitor of *serine proteases*, such as chymotrypsin, kallikrein, plasmin, thrombin, and trypsin.

HY-114164

Thrombin (MW 37kDa) 5+ Cited Publications	Thrombin	Neurological Disease
Thrombin (MW 37kDa) is a Na ⁺-activated, allosteric serine protease that plays opposing functional roles in blood coagulation. Thrombin recognition sequence and can be used to digest GST-tagged proteins.

HY-B0190A

Nafamostat mesylate 15+ Cited Publications FUT-175	Flavivirus TNF Receptor NF-κB Apoptosis Ser/Thr Protease	Infection Cancer
Nafamostat mesylate (FUT-175), an anticoagulant, is a synthetic *serine protease* inhibitor. Nafamostat mesylate has anticancer and antivirus effect. Nafamostat mesylate induce apoptosis by up-regulating the expression of tumor necrosis factor receptor-1 (TNFR1). Nafamostat mesylate can be used in the development of the pathological thickening of the arterial wall .

HY-13512

Camostat mesylate 40+ Cited Publications Camostat mesilate; FOY305; FOY-S980	Ser/Thr Protease SARS-CoV	Infection Inflammation/Immunology
Camostat mesylate (Camostat mesilate) is an orally active, synthetic *serine protease* inhibitor for chronic pancreatitis. Camostat mesylate, an inhibitor of TMPRSS2, shows antiviral activity against SARS-CoV-2. Camostat mesylate also inhibits the activity of prostasin, trypsin, and matriptase .

HY-108910B

TLCK-treated Chymotrypsin 1 Publications Verification	Ser/Thr Protease	Others
TLCK-treated Chymotrypsin is a serine protease. Chymotrypsin cleaves protein chains at the carboxyl side of aromatic amino acids. TLCK treated to inactivate residual tryspin activity .

HY-134616

Ulinastatin 4 Publications Verification Uristatin	Ser/Thr Protease Apoptosis	Neurological Disease Inflammation/Immunology
Ulinastatin (Uristatin) is a trypsin and *serine protease* inhibitor. Ulinastatin is the main protein binding inhibitor of various trypsin, chymotrypsin, and various pancreatic proteases. Ulinastatin shows neuroprotective, anti-inflammatory, anti-apoptotic, anti-oxidant effects .

HY-E70203

Recombinant aprotinin	Ser/Thr Protease	Cardiovascular Disease Inflammation/Immunology
Recombinant aprotinin is a serine protease inhibitor. Recombinant aprotinin can inhibit trypsin and related proteolytic enzymes .

HY-137784

Boc-Val-Pro-Arg-AMC hydrochloride	Fluorescent Dye	Others
Boc-Val-Pro-Arg-AMC hydrochloride is a sensitive fluorogenic substrate for measuring trypsin-like serine proteases activity .

HY-E70202

Recombinant enterokinase 1 Publications Verification rEK	Ser/Thr Protease	Others
Recombinant enterokinase (rEK) is a serine protease and functions as the physiological activator of trypsinogen. Recombinant enterokinase plays a role of turning trypsinogen to its active form trypsin .

HY-E70200

Recombinant Kex2 protease	Ser/Thr Protease	Others
Recombinant Kex2 protease is a membrane-bound, Ca ²⁺-dependent serine protease. Recombinant Kex2 protease specifically recognize and cleave the carboxyl-terminal peptide bonds of dibasic amino acids .

HY-P4326

Boc-Val-Pro-Arg-AMC	Fluorescent Dye	Others
Boc-Val-Pro-Arg-MCA is a sensitive fluorogenic substrate for measuring trypsin-like serine proteases activity .

HY-33900

Dihydrofuran-3(2H)-one 3-Oxotetrahydrofuran	Ser/Thr Protease	Others
Dihydrofuran-3(2H)-one (3-Oxotetrahydrofuran) is a cyclic ketone that can be used to synthesize cyclic ketone inhibitors that inhibit the serine protease plasmin .

HY-16511

Upamostat 1 Publications Verification WX-671	PAI-1 Ser/Thr Protease	Infection Cancer
Upamostat (WX-671), a prodrug of WX-UK1, is an orally active serine protease inhibitor. Upamostat inhibits the urokinase-type plasminogen activator (uPA) system, blocking the plasminogen activation process mediated by it, thereby suppressing the invasion, migration and metastasis of tumor cells. Upamostat can be used in the research of metastatic breast cancer and locally advanced pancreatic cancer .

HY-126034

3,4-Dichloroisocoumarin	Ser/Thr Protease Apoptosis	Cardiovascular Disease Metabolic Disease Cancer
3,4-Dichloroisocoumarin is a potent *serine-protease* and SrLip inhibitor (K_i for SrLip: 26.6 μM). 3,4-Dichloroisocoumarin is opened by serine proteases and then undergoes acylation with the enzyme, thereby inhibiting protease activity. 3,4-Dichloroisocoumarin can induce DNA fragmentation and Apoptosis. 3,4-Dichloroisocoumarin can be used in the research of multiple fields such as tumors, cardiovascular disease and enzyme catalytic mechanisms .

HY-P2942

Chymotrypsinogen	Ser/Thr Protease	Inflammation/Immunology
Chymotrypsinogen is an inactive precursor of Chymotrypsin (HY-108910). Chymotrypsin is a serine protease produced by the pancreas .

HY-114164C

Thrombin, Pig blood 5+ Cited Publications	Protease Activated Receptor (PAR) Thrombin	Cardiovascular Disease
Rabbit Thrombin is a Na ⁺-activated, allosteric serine protease that plays opposing functional roles in blood coagulation. Thrombin recognition sequence and can be used to digest GST-tagged proteins .

HY-P1918

Activated Protein C (390-404), human 4 Publications Verification	APC	Cardiovascular Disease
Activated Protein C (390-404), human is a polypeptide fragment of vitamin K-dependent serine protease activated protein C (APC), which inhibits the anticoagulant activity of APC. Activated Protein C (390-404), human inhibits APC-catalyzed inactivation of factor Va .

HY-155909A

m-PEG1000-NHS ester mPEG1000-SC; mPEG1000-Succinimidyl ester	Biochemical Assay Reagents	Others
m-PEG1000-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-10300

Narlaprevir 5 Publications Verification SCH 900518	HCV HCV Protease SARS-CoV	Infection
Narlaprevir (SCH 900518) is a selective and orally bioavailable NS3 protease inhibitor with a K_i value of 6 nM and an EC₉₀ value of 40 nM . Narlaprevir also inhibits the HCV nonstructural protein 3 serine protease . Narlaprevir is also a SARS-CoV 3CL ^pro inhibitor with an IC₅₀ of 2.3 μM .

HY-100415

UKI-1 WX-UK1; UKI-1C	PAI-1 Ser/Thr Protease	Cancer
UKI-1 (WX-UK1) is a potent urokinase-type plasminogen activator (uPA) inhibitor with a K_i of 0.41 μM. UKI-1 is also a low molecular weight *serine protease* inhibitor. UKI-1 is a potent antimetastatic agent and inhibits the invasive capacity of carcinoma cells .

HY-P3009

Bovine Factor Xa	Factor Xa	Cardiovascular Disease
Bovine Factor Xa, a trypsin-like serine protease, is an important player in the coagulation cascade responsible for thrombin generation .

HY-U00346

TS-021 free base DPP-IV-IN-1	Dipeptidyl Peptidase	Metabolic Disease
DPP-IV-IN-1 is a potent inhibitor of dipeptidyl peptidase IV (DPP-IV), a highly specific *serine protease, with an IC₅₀* of 4.6 nM.

HY-P2990

Enteropeptidase TMPRSS15	Ser/Thr Protease	Metabolic Disease
Enteropeptidase (TMPRSS15), a type II transmembrane serine protease and a physiological activator of trypsinogen. Enteropeptidase is associated with the brush border membrane (BBM) of the enterocytes in the upper small intestine. Trypsinogen is the primary substrate for Enteropeptidase. Enteropeptidase is involved in digestion in humans and animals .

HY-148072

MM3122	SARS-CoV	Infection
MM3122 is a selective type II transmembrane serine protease (TMPRSS2) inhibitor with an IC₅₀ value of 0.34 nM. MM3122 effectively blocks TMPRSS2, thereby inhibiting the entry of SARS-CoV-2 and MERS-CoV into human cells .

HY-114164D

Rat Thrombin 5+ Cited Publications	Thrombin	Cardiovascular Disease
Rat Thrombin is a Na ⁺-activated, allosteric serine protease that plays opposing functional roles in blood coagulation. Thrombin recognition sequence and can be used to digest GST-tagged proteins .

HY-P3150

Recombinant Proteinase K	Ser/Thr Protease	Others
Recombinant Proteinase K is a *serine protease* that cleaves the carboxy-terminated peptide bonds of aliphatic and aromatic amino acids. Recombinant Proteinase K can be used to digest proteins and remove contamination from nucleic acid preparations .

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-112968

Human protein C	APC	Cardiovascular Disease
Human Protein C is activated by α-thrombin or α-thrombin/thrombomodulin complex to a serine protease, namely activated protein C (APC). Human Protein C can selectively inactivate factors Va and VIIIa and is a potent anticoagulant .

HY-NP019

Agkistrodon halys batroxobin	Sirtuin Caspase Apoptosis	Neurological Disease
Agkistrodon halys batroxobin is a thrombin-like serine protease. Agkistrodon halys batroxobin reduces the expression of Sirt1 and extracellular signal-regulated kinase activation in brain tissue. Agkistrodon halys batroxobin reduces cleaved caspase-3 expression and inhibits neuronal apoptosis in rat .

HY-155909C

m-PEG350-NHS ester mPEG350-SC; mPEG350-Succinimidyl ester	Biochemical Assay Reagents	Others
m-PEG350-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-E70392

Recombinant Trypsin	Ser/Thr Protease	Others
Recombinant Trypsin is a serine protease enzyme, and hydrolyzes proteins at the carboxyl side of the Lysine or Arginine .

HY-147278

Manusiran Divesiran; SLN124	Ser/Thr Protease Small Interfering RNA (siRNA) TMPRSS6	Cardiovascular Disease
Manusiran (Divesiran) is a GalNac-siRNA targeting liver and transmembrane serine protease 6 (Serine protease 6). Manusiran increases hepatic Hepcidin synthesis and plasma levels by silencing TMPRSS6, a negative regulator of hepcidin production, and limits the availability of iron required for erythropoiesis. Combined use of Manusiran with Deferiprone (HY-B0568) reduces ineffective erythropoiesis and hepatic iron overload in a mouse model of β-thalassemia. Manusiran can be used for research on polycythemia vera, type 1 hereditary hemochromatosis, and β-thalassemia .

HY-120624

BMS-354326	Ser/Thr Protease	Inflammation/Immunology
BMS-354326 is a tryptase inhibitor with an IC₅₀ of 1.8 nM. BMS-354326 exhibits excellent selectivity against trypsin and most other related serine proteases. BMS-354326 can be used in the research of asthma and inflammatory diseases .

HY-130136A

TMPRSS6-IN-1 TFA	Ser/Thr Protease	Others
TMPRSS6-IN-1 (TFA) is a potent inhibitor of TMPRSS6 (Matriptase-2), belonging to TTSPs (transmembrane serine protease). TMPRSS6, is a type II TTSP, the genetic reduction of which will improve symptoms of hemochromatosis and beta thalassemia in mice .

HY-B0190

Nafamostat	Flavivirus TNF Receptor NF-κB Apoptosis Ser/Thr Protease	Infection Cancer
Nafamostat, an anticoagulant, is a synthetic *serine protease* inhibitor. Nafamostat has anticancer and antivirus effect. Nafamostat induce apoptosis by up-regulating the expression of tumor necrosis factor receptor-1 (TNFR1). Nafamostat can be used in the development of the pathological thickening of the arterial wall .

HY-13512R

Camostat mesylate (Standard) Camostat mesilate (Standard); FOY305 (Standard); FOY-S980 (Standard)	Reference Standards Ser/Thr Protease SARS-CoV	Infection Inflammation/Immunology
Camostat (mesylate) (Standard) is the analytical standard of Camostat (mesylate). This product is intended for research and analytical applications. Camostat mesylate (Camostat mesilate) is an orally active, synthetic *serine protease* inhibitor for chronic pancreatitis. Camostat mesylate, an inhibitor of TMPRSS2, shows antiviral activity against SARS-CoV-2. Camostat mesylate also inhibits the activity of prostasin, trypsin, and matriptase .

HY-145349

FXIa-IN-6	Factor Xa	Cardiovascular Disease
FXIa-IN-6 is a potent FXIa inhibitor with selectivity against most of the relevant serine proteases (K_i = 0.3 nM).

HY-P4496

Tos-Gly-Pro-Lys-pNA	Phosphatase	Others
Tos-Gly-Pro-Lys-pNA is a substrate for the serine protease ALP and can be used to measure the activity of this enzyme .

HY-P3947

Fluorescent Substrate for Subtillsin	Ser/Thr Protease	Infection
Fluorescent Substrate for Subtillsin can be used to detect the enzyme activity of subtillsin. Subtilisin is a bacterial serine protease .

HY-114164E

Rabbit Thrombin	Thrombin	Cardiovascular Disease
Rabbit Thrombin is a Na ⁺-activated, allosteric serine protease that plays opposing functional roles in blood coagulation. Thrombin recognition sequence and can be used to digest GST-tagged proteins .

HY-122592

Zifaxaban	Factor Xa	Cardiovascular Disease
Zifaxaban is an orally active, competitively and selective Factor Xa (FXa) inhibitor with an IC₅₀ of 11.1 nM for human FXa. Zifaxaban shows >10000-fold greater selectivity than other serine proteases. Zifaxaban can be used for the arterial and venous thrombosis research .

HY-14853

Darexaban YM150	Factor Xa Ser/Thr Protease	Cardiovascular Disease
Darexaban (YM150) is a potent, selective and orally active factor Xa (FXa) inhibitor with an IC₅₀ of 54.6 nM. Darexaban shows high selectivity against other related serine proteases, such as trypsin, thrombin, and kallikrein. Darexaban has anticoagulant and antithrombotic effects .

HY-130136

TMPRSS6-IN-1	Ser/Thr Protease	Others
TMPRSS6-IN-1 (compound 8) is a potent inhibitor of TMPRSS6 (Matriptase-2), belonging to TTSPs (transmembrane serine protease). TMPRSS6, is a type II TTSP, the genetic reduction of which will improve symptoms of hemochromatosis and beta thalassemia in mice .

HY-155909

m-PEG3400-NHS ester mPEG3400-SC; mPEG3400-Succinimidyl ester	Biochemical Assay Reagents	Others
m-PEG3400-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-E70586

Elastase (high purity)	Ser/Thr Protease	Others
Elastase (high purity) is a serine protease that hydrolyzes proteins and peptides.

HY-W141825

N-Acetyl-DL-phenylalanine β-naphthyl ester	Fluorescent Dye	Infection Metabolic Disease
N-Acetyl-DL-phenylalanine β-naphthyl ester is an aromatic amino acid ester, which functions as a chromogenic substrate for chymotrypsin and microbial serine proteases such as subtilisin .

HY-151611

UAMC-00050	Ser/Thr Protease	Inflammation/Immunology
UAMC-00050 is a potent trypsin-like serine protease inhibitor. UAMC-00050 can be used in research of dry eye syndrome and ocular inflammation .

Cat. No.	Product Name	Type

HY-131409

D-Val-Leu-Lys-pNA dihydrochloride

D-Val-Leu-Lys-p-itoailide dihydrochloride; D-VLK-pNA dihydrochloride; S 2251 dihydrochloride

Fluorescent Dyes

D-Val-Leu-Lys-pNA (D-Val-Leu-Lys-p-nitroanilide) dihydrochloride is a chromogenic peptide substrate that serves as a characteristic substrate for plasmin and plasminogen. D-Val-Leu-Lys-pNA dihydrochloride acts as a sensitive substrate for the DFE27 serine protease derived from Bacillus subtilis DC27. Catalyzed by plasmin, D-Val-Leu-Lys-pNA dihydrochloride binds and hydrolyzes to release p-nitroaniline (pNA), which can be detected colorimetrically at 405 nm as a measure of fibrinolytic activity .

HY-W141825

N-Acetyl-DL-phenylalanine β-naphthyl ester	Fluorescent Dyes
N-Acetyl-DL-phenylalanine β-naphthyl ester is an aromatic amino acid ester, which functions as a chromogenic substrate for chymotrypsin and microbial serine proteases such as subtilisin .

Cat. No.	Product Name	Type

HY-B2228

Proteinase, Aspergillus oryzae

1 Publications Verification

Biochemical Assay Reagents

Proteinase, Aspergillus oryzae is a serine protease that hydrolyzes peptide bonds in protein substrates, preferring alkaline conditions (optimal pH 10.5). It efficiently degrades casein, poly-L-glutamic acid, and poly-L-lysine, with activity irreversibly inhibited by diisopropylfluorophosphate (DFP) and potato inhibitor. This enzyme catalyzes proteolysis via serine residues in its active site, finding applications in food processing (e.g., soy sauce fermentation), detergents, and leather industries due to its high yield in solid-state fermentation and cost-effective production.

HY-155909A

m-PEG1000-NHS ester mPEG1000-SC; mPEG1000-Succinimidyl ester	Biochemical Assay Reagents
m-PEG1000-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-NP019

Agkistrodon halys batroxobin	Biochemical Assay Reagents
Agkistrodon halys batroxobin is a thrombin-like serine protease. Agkistrodon halys batroxobin reduces the expression of Sirt1 and extracellular signal-regulated kinase activation in brain tissue. Agkistrodon halys batroxobin reduces cleaved caspase-3 expression and inhibits neuronal apoptosis in rat .

HY-155909C

m-PEG350-NHS ester mPEG350-SC; mPEG350-Succinimidyl ester	Biochemical Assay Reagents
m-PEG350-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-155909

m-PEG3400-NHS ester mPEG3400-SC; mPEG3400-Succinimidyl ester	Biochemical Assay Reagents
m-PEG3400-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-155909B

m-PEG550-NHS ester mPEG550-SC; mPEG550-Succinimidyl ester	Biochemical Assay Reagents
m-PEG550-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

Cat. No.	Product Name	Target	Research Area

HY-137784

Boc-Val-Pro-Arg-AMC hydrochloride	Fluorescent Dye	Others
Boc-Val-Pro-Arg-AMC hydrochloride is a sensitive fluorogenic substrate for measuring trypsin-like serine proteases activity .

HY-P4326

Boc-Val-Pro-Arg-AMC	Fluorescent Dye	Others
Boc-Val-Pro-Arg-MCA is a sensitive fluorogenic substrate for measuring trypsin-like serine proteases activity .

HY-131409

D-Val-Leu-Lys-pNA dihydrochloride D-Val-Leu-Lys-p-itoailide dihydrochloride; D-VLK-pNA dihydrochloride; S 2251 dihydrochloride	Fluorescent Dye	Others
D-Val-Leu-Lys-pNA (D-Val-Leu-Lys-p-nitroanilide) dihydrochloride is a chromogenic peptide substrate that serves as a characteristic substrate for plasmin and plasminogen. D-Val-Leu-Lys-pNA dihydrochloride acts as a sensitive substrate for the DFE27 serine protease derived from Bacillus subtilis DC27. Catalyzed by plasmin, D-Val-Leu-Lys-pNA dihydrochloride binds and hydrolyzes to release p-nitroaniline (pNA), which can be detected colorimetrically at 405 nm as a measure of fibrinolytic activity .

HY-P1918

Activated Protein C (390-404), human 4 Publications Verification	APC	Cardiovascular Disease
Activated Protein C (390-404), human is a polypeptide fragment of vitamin K-dependent serine protease activated protein C (APC), which inhibits the anticoagulant activity of APC. Activated Protein C (390-404), human inhibits APC-catalyzed inactivation of factor Va .

HY-P4284

Z-GGF-CMK	Proteasome ClpP Bacterial	Infection
Z-GGF-CMK is an Antibacterial agent, an inhibitor of the ClpP1P2 serine protease complex (with an IC₅₀ of 50 μM against intracellular ClpP1P2 protease activity in Mycobacterium bovis BCG), and a selective inhibitor of the mycobacterial Proteasome (with an IC₅₀ of 50 μM against the proteasome in M. bovis BCG). Z-GGF-CMK inhibits the growth of mycobacteria. Z-GGF-CMK exhibits cytotoxic activity against liver cancer cells. Z-GGF-CMK can be used in the research of tuberculosis .

HY-P3012

Cathepsin G	Cathepsin ERK p38 MAPK PKC Protease Activated Receptor (PAR) MMP	Inflammation/Immunology
Cathepsin G is a pH-dependent serine protease. Cathepsin G hydrolyzes diverse synthetic and protein substrates and remodels extracellular matrix. Cathepsin G exerts immunomodulatory effects via recruiting phagocytes, enhancing T cell motility, activating ERK1/2 and p38 MAPK signaling, and mediating PKCζ membrane translocation. Cathepsin G regulates inflammatory responses by cleaving inflammatory mediators. Cathepsin G participates in vascular regulation by converting angiotensin I to angiotensin II. Cathepsin G induces PAR4-dependent platelet activation, facilitates platelet-neutrophil aggregation, and mediates VITT-related NETosis, thrombus formation. Cathepsin G can be used for the research of immune thrombotic thrombocytopenia, cardiovascular disease, and select autoimmune and inflammatory diseases .

HY-P5278

Z-Gly-Arg-Thiobenzyl ester	Peptides	Others
Z-Gly-Arg-Thiobenzyl ester is a chromogenic substrate for plasmogen-activated serine proteases .

HY-P5062A

DEC-RVRK-CMK TFA Decanoyl-Arg-Val-Arg-Lys-chloromethylketone TFA	Furin	Infection
DEC-RVRK-CMK (Decanoyl-Arg-Val-Arg-Lys-chloromethylketone) TFA is a peptide-based CMK (chloromethylketone) inhibitor that targets and inactivates the secreted soluble kexin (Kex2) (K_i=8.45 μM). The yeast enzyme Kex2 (kexin, EC 3.4.21.61) is a calcium-dependent transmembrane protease and belongs to the mammalian protease family of the serine protease subtilisin family. The binding mechanism of Kex2 with different CMK inhibitors depends on substrate selectivity, particularly the selective differences between lysine and arginine at the P1 position .

HY-P4496

Tos-Gly-Pro-Lys-pNA	Phosphatase	Others
Tos-Gly-Pro-Lys-pNA is a substrate for the serine protease ALP and can be used to measure the activity of this enzyme .

HY-P3947

Fluorescent Substrate for Subtillsin	Ser/Thr Protease	Infection
Fluorescent Substrate for Subtillsin can be used to detect the enzyme activity of subtillsin. Subtilisin is a bacterial serine protease .

HY-P5062

DEC-RVRK-CMK Decanoyl-Arg-Val-Arg-Lys-chloromethylketone	Furin	Infection
DEC-RVRK-CMK (Decanoyl-Arg-Val-Arg-Lys-chloromethylketone) is a peptide-based CMK (chloromethylketone) inhibitor that targets and inactivates the secreted soluble kexin (Kex2) (K_i=8.45 μM). The yeast enzyme Kex2 (kexin, EC 3.4.21.61) is a calcium-dependent transmembrane protease and belongs to the mammalian protease family of the serine protease subtilisin family. The binding mechanism of Kex2 with different CMK inhibitors depends on substrate selectivity, particularly the selective differences between lysine and arginine at the P1 position .

HY-137495

GGACK	PAI-1 Ser/Thr Protease	Cancer
GGACK (H-Glu-Gly-Arg-CMK) is an irreversible substrate-like serine protease urokinase-type plasminogen activator (uPA) inhibitor .

HY-137495A

GGACK hydrochloride	PAI-1 Ser/Thr Protease	Cancer
GGACK (H-Glu-Gly-Arg-CMK) hydrochloride is an irreversible substrate-like serine protease urokinase-type plasminogen activator (uPA) inhibitor .

HY-P1918A

Activated Protein C (390-404), human TFA	APC	Cardiovascular Disease
Activated Protein C (390-404), human TFA, a peptide of the activated protein C (a vitamin K-dependent serine protease), potently inhibits APC anticoagulant activity .

HY-P5356

H-D-Val-Leu-Lys-AFC Plasmin substrate	Fluorescent Dye	Others
H-D-Val-Leu-Lys-AFC (Plasmin substrate) is a biological active peptide. (This is a fluorescent plasmin substrate, Abs/Em=380/500 nm.Plasmin belongs to the family of serine proteases. It plays a key role in fibrinolysis by dissolving fibrin in blood clots. Besides fibrinolysis, plasmin is also involved in such physiological and pathological processes as wound healing, liver repair, and the maintenance of liver homeostasis.)

HY-P11367

Boc-Ala-Gly-Pro-Arg-AMC	Fluorescent Dye Ser/Thr Protease	Infection Metabolic Disease
Boc-Ala-Gly-Pro-Arg-AMC is a synthetic fluorescent substrate, widely used for the detection of protease activity. Boc-Ala-Gly-Pro-Arg-AMC can be used to detect the activity of serine proteases and the oligopeptide enzyme B of Trypanosoma brucei .

HY-168378A

D-Val-Leu-Lys-pNA acetate S-2251 acetate	Fluorescent Dye	Others
D-Val-Leu-Lys-pNA acetate (S-2251 acetate) is a chromogenic peptide substrate that serves as a characteristic substrate for plasmin and plasminogen. D-Val-Leu-Lys-pNA acetate acts as a sensitive substrate for the DFE27 serine protease derived from Bacillus subtilis DC27. Catalyzed by plasmin, D-Val-Leu-Lys-pNA acetate binds and hydrolyzes to release p-nitroaniline (pNA), which can be detected colorimetrically at 405 nm as a measure of fibrinolytic activity .

HY-P5642A

Retrocyclin-101 TFA RC-101 TFA	HIV SARS-CoV Influenza Virus Flavivirus HSV Bacterial Fungal Toll-like Receptor (TLR) Ser/Thr Protease	Infection Inflammation/Immunology
Retrocyclin-101 (RC-101) TFA is an artificially synthesized, cyclic-structured θ-defensin, a broad-spectrum agent with antimicrobial (covering viruses, bacteria, and fungi) activity and anti-inflammatory activity. Retrocyclin-101 TFA can inhibit the serine protease activity of ZIKV NS2B-NS3, with an IC₅₀ of 7.20 μM. Retrocyclin-101 TFA has significant inhibitory activity against HIV, SARS-CoV-2, flaviviruses, influenza viruses, HSV-1/2, Staphylococcus aureus, etc. Retrocyclin-101 TFA inhibits the signal transduction mediated by TLR4 and TLR2, reducing the expression of pro-inflammatory cytokines .

Cat. No.	Product Name	Target	Research Area	Image

HY-P991137

Exerenibart	Ser/Thr Protease	Metabolic Disease
Exerenibart is an immunoglobulin G4-κ monoclonal antibody targeting human transmembrane serine protease 6 (TMPRSS6). Exerenibart is promising for research of diseases associated with iron metabolism disorders, such as iron overload or iron deficiency .

HY-P992451

RLYB331 KY1066	Ser/Thr Protease Hepcidin Reactive Oxygen Species (ROS) Apoptosis	Cardiovascular Disease
RLYB331 (KY1066) is a is a monoclonal antibody targeting Matriptase-2 (TMPRSS6) . RLYB331 binds to the *serine protease* active site of matriptase-2, blocking protease activity to increase hepcidin expression. RLYB331 reduces iron overload, inhibits α-aggregates, reduces ROS, inhibits apoptosis, and enhances erythroid differentiation. RLYB331 ameliorates ineffective erythropoiesis in β-thalassemic mouse models. RLYB331 can be used for the research of β-thalassemia .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-13512

Camostat mesylate 40+ Cited Publications Camostat mesilate; FOY305; FOY-S980	Human Gut Microbiota Metabolites Endogenous metabolite Source Classification	Ser/Thr Protease SARS-CoV
Camostat mesylate (Camostat mesilate) is an orally active, synthetic *serine protease* inhibitor for chronic pancreatitis. Camostat mesylate, an inhibitor of TMPRSS2, shows antiviral activity against SARS-CoV-2. Camostat mesylate also inhibits the activity of prostasin, trypsin, and matriptase .

HY-W010128

6-(Dimethylamino)purine 6-Dimethylaminopurine; 6-DMAP	Classification of Application Fields Other Diseases Disease Research Fields	CDK DNA/RNA Synthesis Apoptosis
6-(Dimethylamino) purine (6-Dimethylaminopurine) is a serine threonine protein kinase inhibitor. 6-(Dimethylamino) purine can inhibit prolactin induced expression of lactoprotein genes in rabbit mammary gland cells. 6-(Dimethylamino) purine can affect the maturation of mammalian oocytes. 6-(Dimethylamino) purine can lead to downregulation of genes related to cell proliferation and cell cycle progression, such as proliferating cell nuclear antigen, insulin-like gene 1, and serine protease inhibitor 2 genes, and induce apoptosis in lymphoma cells (apoptosis) .

HY-126034

3,4-Dichloroisocoumarin	Animals Coumarins Phenylpropanoids Source Classification	Ser/Thr Protease Apoptosis
3,4-Dichloroisocoumarin is a potent *serine-protease* and SrLip inhibitor (K_i for SrLip: 26.6 μM). 3,4-Dichloroisocoumarin is opened by serine proteases and then undergoes acylation with the enzyme, thereby inhibiting protease activity. 3,4-Dichloroisocoumarin can induce DNA fragmentation and Apoptosis. 3,4-Dichloroisocoumarin can be used in the research of multiple fields such as tumors, cardiovascular disease and enzyme catalytic mechanisms .

HY-13512R

Camostat mesylate (Standard) Camostat mesilate (Standard); FOY305 (Standard); FOY-S980 (Standard)	Human Gut Microbiota Metabolites Microorganisms Endogenous metabolite Source Classification	Reference Standards Ser/Thr Protease SARS-CoV
Camostat (mesylate) (Standard) is the analytical standard of Camostat (mesylate). This product is intended for research and analytical applications. Camostat mesylate (Camostat mesilate) is an orally active, synthetic *serine protease* inhibitor for chronic pancreatitis. Camostat mesylate, an inhibitor of TMPRSS2, shows antiviral activity against SARS-CoV-2. Camostat mesylate also inhibits the activity of prostasin, trypsin, and matriptase .

HY-N4330

Rivulariapeptolides 1155	Natural Products Microorganisms Source Classification	Ser/Thr Protease
Rivulariapeptolides 1155 is a potent *serine protease* inhibitor with IC₅₀s of 41.84, 4.94, 56.54 nM for chymotrypsin, elastase, prpteinase K, respectively .

HY-N4333

Rivulariapeptolides 988	Natural Products Microorganisms Source Classification	Ser/Thr Protease
Rivulariapeptolides 988 is a high potent and selective *serine protease* inhibitor with IC₅₀ values of 95.46 nM, 15.29 nM and 85.50 nM for chymotrypsin, elastase and proteinase K, respectively .

HY-N4332

Rivulariapeptolides 1121	Natural Products Microorganisms Source Classification	Ser/Thr Protease
Rivulariapeptolides 1121 is a high potent and selective *serine protease* inhibitor with IC₅₀ values of 35.52 nM, 13.24 nM and 48.05 nM for chymotrypsin, elastase and proteinase K, respectively .

HY-N4331

Rivulariapeptolides 1185	Natural Products Microorganisms Source Classification	Ser/Thr Protease
Rivulariapeptolides 1185 is a high potent and selective *serine protease* inhibitor with IC₅₀ values of 13.17 nM, 23.59 nM and 55.26 nM for chymotrypsin, elastase and proteinase K, respectively .

HY-N15009

Kynapcin-13	Natural Products Microorganisms Source Classification	Prolyl Endopeptidase (PREP)
Kynapcin-13 can non-competitively inhibit the activity of prolyl endopeptidase (PEP) with an IC₅₀ of 76.80 μM. Kynapcin-13 has a little inhibitory effect on other serine proteases .

HY-N15010

Kynapcin-28	Microorganisms Antibiotics Other Antibiotics Source Classification	Prolyl Endopeptidase (PREP)
Kynapcin-28 can non-competitively inhibit the activity of prolyl endopeptidase (PEP) with an IC₅₀ of 76.80 μM. Kynapcin-28 has a little inhibitory effect on other serine proteases .

HY-N19612

Proteasefrom aspergillus oryzae	Structural Classification Natural Products Microorganisms Source Classification	Ser/Thr Protease
Proteasefrom aspergillus oryzae is a serine protease identified in the non-transgenic Aspergillus ochraceus strain AE-P. Proteasefrom aspergillus oryzae functions as a food enzyme and catalyzes protein hydrolysis with broad-spectrum specificity .

Cat. No.	Product Name	Chemical Structure

HY-B0190S1

Nafamostat formate salt-13C6
Nafamostat formate salt- ¹³C₆ is the ¹³C labeled Nafamostat. Nafamostat, a synthetic serine protease inhibitor, is an anticoagulant. Nafamostat supresses T cell auto-reactivity by decreasing granzyme activity and CTL cytolysis. Nafamostat blocks activation of SARS-CoV-2 .

Cat. No.	Product Name		Classification

HY-155909A

m-PEG1000-NHS ester mPEG1000-SC; mPEG1000-Succinimidyl ester		Polymers
m-PEG1000-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-155909C

m-PEG350-NHS ester mPEG350-SC; mPEG350-Succinimidyl ester		Polymers
m-PEG350-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-147278

Manusiran Divesiran; SLN124		siRNAs siRNA drugs
Manusiran (Divesiran) is a GalNac-siRNA targeting liver and transmembrane serine protease 6 (Serine protease 6). Manusiran increases hepatic Hepcidin synthesis and plasma levels by silencing TMPRSS6, a negative regulator of hepcidin production, and limits the availability of iron required for erythropoiesis. Combined use of Manusiran with Deferiprone (HY-B0568) reduces ineffective erythropoiesis and hepatic iron overload in a mouse model of β-thalassemia. Manusiran can be used for research on polycythemia vera, type 1 hereditary hemochromatosis, and β-thalassemia .

HY-155909

m-PEG3400-NHS ester mPEG3400-SC; mPEG3400-Succinimidyl ester		Polymers
m-PEG3400-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-155909B

m-PEG550-NHS ester mPEG550-SC; mPEG550-Succinimidyl ester		Polymers
m-PEG550-NHS ester can be used to modify active molecules and improve their antigenicity, immunogenicity, and help prepare injection preparations. The modification of serine protease lumbrokinase (LK) by m-PEG-NHS ester does not affect its strong fibrinolytic and thrombolytic activities, and has good application prospects.

HY-174719

Human ELANE mRNA		mRNA
Human ELANE mRNA encodes the human elastase (ELANE) protein, a member of serine proteases family. ELANE may play a role in degenerative and inflammatory diseases through proteolysis of collagen-IV and elastin.

HY-177803

Protein C aptamer sodium		Aptamers
Protein C aptamer sodium is a 44mer-DNA aptamer that the anticoagulant functions of activated protein C. Activated protein C (APC) is a serine protease with anticoagulant, anti-inflammatory, and cytoprotective properties.

HY-174540

Human SERPINA1 mRNA		mRNA
Human SERPINA1 mRNA encodes the human serpin family A member 1 (SERPINA1) protein, a serine protease inhibitor belonging to the serpin superfamily. SERPINA1’s major physiological function is the protection of the lower respiratory tract against proteolytic destruction by human leukocyte elastase (HLE).

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