| Substrate | B4153, Boc-Gln-Ala-Arg-7-amido-4-methylcoumarin hydrochloride |
| | B4500, Nα-Benzoyl-L-arginine ethyl ester hydrochloride |
| | T1637, N-(p-Tosyl)-Gly-Pro-Arg p-nitroanilide acetate salt |
| | H6268, Hide–Remazol Brilliant Blue R |
| | B7632, N-Benzoyl-Phe-Val-Arg-p-nitroanilide hydrochloride |
| | B4750, Nα-Benzoyl-DL-arginine β-naphthylamide hydrochloride |
| | B3279, Nα-Benzoyl-L-arginine 4-nitroanilide hydrochloride |
| Inhibitor | A9141, Antithrombin III from bovine plasma |
| | D0879, Diisopropylfluorophosphate |
| | A6191, Antipain dihydrochloride from microbial source |
| | A1153, Aprotinin from bovine lung |
| | M6159, α2-Macroglobulin from human plasma |
| | E1398, Ecotin |
| | A7388, Antithrombin III from human plasma |
| | T9003, Trypsin inhibitor from Glycine max (soybean) |
| | T9777, Trypsin-chymotrypsin inhibitor from Glycine max (soybean) |
| | T9008, Trypsin inhibitor from Glycine max (soybean) |
| | T2011, Trypsin inhibitor from chicken egg white |
| | P7626, Phenylmethanesulfonyl fluoride |
| | A9024, α1-Antitrypsin from human plasma |
| | B6506, Benzamidine hydrochloride hydrate |
| | L2023, Leupeptin trifluoroacetate salt |
| | A6150, α1-Antitrypsin from human plasma |
| | B3906, Bdellin from leeches |
| | D7910, 3,4-Dichloroisocoumarin |
| IUBMB