Cathepsin D and E FRET Substrate is a fluorogenic substrate for cathepsins D and E and not for B, H or L. The cleavage occurs at the Phe-Phe amide bond resul. Cathepsin D and E FRET Substrate is a valuable tool for routine assays and for mechanistic studies on cathepsins E and D[1].
ASPER-29 is Asperphenamate HY-129578 analog. ASPER-29 also is a dual cathepsin L and S inhibitor with IC50 value of 6.03 μM and 5.02 μM, respectively. ASPER-29 can be used for the research of the migration and invasion of cancer[1].
Z-Leu-Tyr-Chloromethylketone is a calpain inhibitor[1].
GSK-2793660 is an oral, irreversible inhibitor of Cathepsin C (CTSC). GSK-2793660 can be used for the research of bronchiectasis[1][2].
L-873724 is a potent, orally bioavailable, selective and reversible[2] non-basic cathepsin K inhibitor, with IC50s of 0.2, 178, 264, and 5239 nM for cathepsin K, cathepsin S, cathepsin L, cathepsin B, respectively[1]. L-873724 also exhibits an IC50 of 0.5 nM for rabbit cathepsin K. L-873724 inhibits bone resorption[2].
Odanacatib (MK-0822) is a potent and selective inhibitor of cathepsin K, with an IC50 of 0.2 nM for human cathepsin K.
Z-Phe-Phe-Diazomethylketone is a selective inhibitor of cathepsin L[1].
Suc-Val-Pro-Phe-pNA is a substrate for cathepsin G and can be used to detect the activity of this enzyme[1].
Z-FY-CHO (Z-Phe-Tyr-CHO) is a potent and specific cathepsin L (CTSL) inhibitor[1][2].
CA-074 is a potent inhibitor of cathepsin B with a Ki of 2 to 5 nM.
Gü1303 is a potent, reversible, slow-binding cathepsin K (CatK) inhibitor with a Ki of 0.91 nM for mature CatK (mCatK). Gü1303 suppresses the autocatalytic activation of the cathepsin K zymogen[1].
Petesicatib is a cathepsin S inhibitor, used in research of immune diseases[1].
SID 26681509 is a potent, reversible, competitive, and selective inhibitor of human cathepsin L with an IC50 of 56 nM. SID 26681509 inhibits in vitro propagation of malaria parasite Plasmodium falciparum and inhibits Leishmania major with IC50s of 15.4 μM and 12.5 μM, respectively. SID 26681509 shows no inhibitory activity against cathepsin G[1].
Calpeptin is a potent, cell penetrating calpain inhibitor, with an ID50 of 40 nM for Calpain I in human platelets[1]. Calpeptin is also an inhibitor of cathepsin K[2].
p-Aminophenylmercuric acetate is an organomercurial activator of matrix metalloproteinases (MMP). P-Aminophenylmercuric acetate participates in the activation and inhibition of MMP-8 by attacking protein sulfhydryl or inducing cysteine switching reaction. p-Aminophenylmercuric acetate promotes the shedding of betacellulin precursor (pro-BTC). p-Aminophenylmercuric acetate influences the binding of agonists and antagonists to the opiate receptor[1][2][3].
Z-WEHD-FMK is a potent, cell-permeable and irreversible caspase-1/5 inhibitor. Z-WEHD-FMK also exhibits a robust inhibitory effect on cathepsin B activity (IC50=6 μM). Z-WEHD-FMK can be used to investigate cells for evidence of apoptosis[1][2][4].
CA-074 methyl ester is a specific inhibitor of Cathepsin B, which has potent bioactivities such as neuroprotective, anti-cancer, and anti-inflamatory effects.
Cathepsin K inhibitor 3 (compound 23) is a highly selective cathepsin K inhibitor with an IC50 value of 0.5 nM. Cathepsin K inhibitor 3 has a favorable pharmacokinetic profile and may be used in osteoarthritis (OA) disease studies[1].
MDL 27399 is an inhibitor of human neutrophil cathepsin G (Ki = 7 μM). MDL 27399 can be used for research of inflammatory diseases[1].
Z-Gly-Pro-Arg-AMC hydrochloride a fluorescent trypsin and cathepsin K substrate. Z-Gly-Pro-Arg-AMC hydrochloride can be used to determine trypsin and cathepsin K activity[1][2].
LmCPB-IN-1 (compound 35) is a potent and reversible covalent Leishmania mexicana cysteine protease B (LmCPB) inhibitor with a pKi of 9.7[1].
S130 is a high affinity, selective inhibitor of ATG4B (a major cysteine protease) with an IC50 of 3.24 µM. S130 suppresses autophagy flux[1].
Leupeptin is a broad-spectrum, membrane-permeable protease inhibitor. Leupeptin potently inhibits serine, cysteine and threonine proteases. Leupeptin inhibits Mpro (the main protease of SARS-CoV-2) and also has anti-inflammatory activity[1][2][3].
Cathepsin Inhibitor 2 is a potent Cathepsin S inhibitor extracted from patent WO2009123623A1, has a Ki of <20 nM.
Z-Leu-Leu-Arg-AMC is a peptide substrate of cathepsin S[1].