Serine Protease

Cat.No. Product Name Information Product Use Citations Product Validations
S7380 Leupeptin Hemisulfate Leupeptin Hemisulfate is a reversible inhibitor of serine and cysteine proteases. It inhibits Cathepsin B (Ki = 6 nM), calpain (Ki = 10 nM), trypsin (Ki = 35 nM), plasmin (Ki = 3.4 μM), and kallikrein (Ki = 19 μM), and has no effect against chymotrypsin, elastase, renin, or pepsin.
Adv Mater, 2025, e18445.
Nat Commun, 2025, 16(1):4069
J Adv Res, 2025, S2090-1232(25)00056-6
S3025 PMSF PMSF (Phenylmethylsulfonyl Fluoride, Benzylsulfonyl fluoride) is an irreversible serine/cysteine protease inhibitor.
Cell Death Discov, 2024, 10(1):171
Cell Biosci, 2023, 13(1):9
Cell Mol Immunol, 2022, 19(10):1153-1167
S1386 Nafamostat mesilate (FUT-175) Nafamostat mesilate (FUT-175) is a synthetic serine protease inhibitor used as an anticoagulant during hemodialysis. It blocks activation of SARS-CoV-2 and is investigated as a new treatment option for COVID-19. This compound also attenuates inflammation and apoptosis.
J Immunother Cancer, 2024, 12(11)e009805
Cell Death Dis, 2024, 15(2):109
CNS Neurosci Ther, 2024, 30(6):e14822
Verified customer review of Nafamostat mesilate (FUT-175)
S8136 Sivelestat Sivelestat is a potent and selective inhibitor of neutrophil elastase with IC50 of 44nM. It almost shows no activity at a range of other Proteases.
Redox Biol, 2025, 87:103881
J Immunother Cancer, 2025, 13(2)e010813
Int Immunopharmacol, 2025, 151:114340
S7378 AEBSF HCl AEBSF HCl is a broad spectrum, irreversible serine protease inhibitor.
Acta Pharm Sin B, 2025, 15(10):5277-5293
Acta Pharm Sin B, 2024, 14(6):2554-2566
Int J Med Sci, 2024, 21(7):1204-1212
S2101 Gabexate Mesylate Gabexate Mesylate (FOY) is a serine protease inhibitor with an IC50 of 0.19 μM which is used therapeutically in the treatment of pancreatitis and disseminated intravascular coagulation.
Trends Biotechnol, 2025, S0167-7799(25)00406-8
iScience, 2024, 27(10):110862
Curr Res Chem Biol, 2022, 2:100023
Verified customer review of Gabexate Mesylate
S7218 Alvelestat (AZD9668) Alvelestat (AZD9668) is an oral, highly selective inhibitor of neutrophil elastase (NE) with IC50 and Ki of 12 nM and 9.4 nM, at least 600-fold more selective over other Serine Protease. This compound is in Phase 2.
Cell Death Discov, 2025, 11(1):29
Int Immunopharmacol, 2025, 159:114860
Proc Natl Acad Sci U S A, 2021, 118(34)e2102435118
S4666 Sivelestat sodium tetrahydrate Sivelestat sodium tetrahydrate (ONO5046-Na, EI546, LY544349) is a competitive inhibitor of human neutrophil elastase, also inhibits leukocyte elastase obtained from rabbit, rat, hamster and mouse.
J Thorac Dis, 2024, 16(10):6616-6633
J Immunol, 2021, 206(4):797-806
Aging (Albany NY), 2020, 12(17):16820-16836
S7377 Aprotinin Aprotinin is a small protein serine protease inhibitor (Kd=0.06 pM for bovine β-trypsin), used to reduce perioperative blood loss and transfusion.
Front Cell Neurosci, 2025, 19:1623747
J Immunother Cancer, 2024, 12(11)e009805
Elife, 2021, 10e65962
S8457 UK-371804 HCl UK-371804 is a potent and selective urokinase-type plasmogen activator (uPA) inhibitor with excellent enzyme potency (Ki=10 nM) and selectivity profile (4000-fold versus tPA and 2700-fold versus plasmin).
PNAS Nexus, 2022, 1(3):pgac104
Front Genet, 2021, 12:651882