Z-Arg-Arg-pNA is a substrate for cathepsin B and can be used to detect this enzyme activity[1].
LHVS is a potent, non-selective cysteine protease inhibitor[1]. LHVS effectively blocks T. gondii microneme protein secretion (IC50=10 μM), gliding motility, and cell invasion[2].
H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH is a water-soluble polypeptide that can serve as a substrate for cathepsin D, pepsin and pepsinogen. H-Pro-Thr-Glu-Phe-p-nitro-Phe-Arg-Leu-OH has potential applications in biochemical analysis[1][2].
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)[1][2].
Ac-Glu-Asp(EDANS)-Lys-Pro-Ile-Leu-Phe-Phe-Arg-Leu-Gly-Lys(DABCYL)-Glu-NH2 is a cathepsin D substrate, that can be used for cathepsin D FRET assay[1].
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].
Gü2602 is a potent, reversible cathepsin K (CatK) inhibitor with a Ki of 0.013 nM for mature CatK (mCatK). Gü2602 suppresses the autocatalytic activation of the cathepsin K zymogen[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].
Z-Phe-Ala-diazomethylketone binds directly to Aβ42 monomers and small oligomers. Z-Phe-Ala-diazomethylketone inhibits the formation of Aβ42 dodecamers and inhibits Aβ42 fibril formation in the solution. Z-Phe-Ala-diazomethylketone has the potential for neurodegenerative disorders research[1].
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].
Cathepsin K inhibitor 5 is a potent Cathepsin K inhibitor[1].
Z-Arg-Arg-AMC hydrochloride is a selective substrate of cathepsin B[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-DEVD-CMK is an irreversible inhibitor of most of the cathepsins in vitro[1].
Z-FY-CHO (Z-Phe-Tyr-CHO) is a potent and specific cathepsin L (CTSL) inhibitor[1][2].
Z-FG-NHO-BzOME is a cysteine protease inhibitor that selectively inhibits cathepsin B, cathepsin L, cathepsin S, and papain[1].
CA-074 is a potent inhibitor of cathepsin B with a Ki of 2 to 5 nM.
RKLLW-NH2 is a Cathepsin L inhibitor[1].
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].
SSAA09E1 is a cathepsin L blocker (IC50: 5.33 μM).SSAA09E1 inhibits stages of viral entry. SSAA09E1 can be used for SARS-CoV infection research[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].
(S,S)-Z-FA-FMK is a cell-permeable, irreversible cathepsin B inhibitor. (S,S)-Z-FA-FMK blocks LPS-induced production of IL-1α and IL-1β. (S,S)-Z-FA-FMK can be used as a negative control for caspase-1 and caspase-2 inhibitors because it lacks an aspartic acid residue at the P1 position[1][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-LVG-CHN2 is a cell-permeable and irreversible inhibitor of cysteine proteinase. Z-LVG-CHN2 is a tripeptide derivative and mimics part of the human cysteine proteinase-binding center. Z-LVG-CHN2 displays an inhibition on HSV whereas no significant effect on poliovirus replication. Z-LVG-CHN2 effectively blocks SARS-COV-2 replication (EC50=190 nM) via inhibition of SARS-COV-2 3CL pro protease[3].