RTS-V5 is a dual HDAC/proteasome inhibitor with IC50s of 6.9, 18, 15, 0.27, 0.53 μM for HDAC1, HDAC2, HDAC3, HDAC6, HDAC8, respectively.
Isovalerylcarnitine-d9 (chloride) is the deuterium labeled Isovalerylcarnitine (chloride)[1]. Isovalerylcarnitine chloride, a product of the catabolism of L-leucine, is a potent activator of the Ca2+-dependent proteinase (calpain) of human neutrophils[2].
Oprozomib (ONX 0912; PR047) is an orally bioavailable inhibitor for CT-L activity of 20S proteasome β5/LMP7 with IC50 of 36 nM/82 nM.IC50 value: 36 nM/82 nM(20S proteasome β5/LMP7) [1]Target: 20S proteasomeThe anti-MM activity of Oprozomib is associated with activation of caspase-8, caspase-9, caspase-3, and PARP, as well as inhibition of migration of MM cells and angiogenesis. Oprozomib is demonstrated an absolute bioavailability of up to 39% in rodents and dogs. It is well tolerated with repeated oral administration at doses resulting in >80% proteasome inhibition in most tissues and elicited an antitumor response in multiple human tumor xenograft and mouse syngeneic models.
UK-101 is a potent and selective immunoproteasome β1i (LMP2) inhibitor with an IC50 value of 104 nM, displays 144- and 10-fold selectivity over β1c (IC50=15 μM) and β5 subunit (IC50=1 μM), respectivey[1]. UK-101 induces cell apoptosis and can be used for the study of prostate cancer[2].
LMP7-IN-1, a Boronic acid derivative, is a potent and selective immunoproteasome subunit LMP7 (β5i) inhibitor with an IC50 of 1.83 nM (WO2021143923A1; compound 20)[1].
DD1, a proteasome inhibitor, targets Bax activation and P70S6K degradation during acute myeloid leukemia (AML) apoptosis. DD1 induces apoptosis in the caspase-dependent manner. DD1 induces mitochondrial membrane depolarization and Bad dephosphorylation[1].
Capzimin is a potent and moderately specific proteasome isopeptidase Rpn11 inhibitor.
Calpain Inhibitor XI is a reversible covalent inhibitor of calpain-1. Calpain Inhibitor XI can be used for the research of neurodegenerative disorders[1].
FiVe1 is a vimentin binding small molecule that promotes vimentin disorganization and phosphorylation during metaphase, causes mitotic catastrophe, multinucleation, and the loss of stemness in cancer cells; selectively and irreversibly inhibits the growth of mesenchymally transformed breast cancer cells ( FOXC2-HMLER cells IC50=234 nM) and soft tissue sarcomas of diverse histological subtypes.
Ac-ANW-AMC is a fluorogenic substrate for immunoproteasome. Ac-ANW-AMC can be used to measure β5i activity (Ex=345 nm, Em=445 nm)[1][2].
Ac-WLA-AMC is a specific 20S constitutive proteasome β5 fluorogenic substrate[1].
PD 150606 is a selective, cell-permeable non-peptide calpain inhibitor (Ki values for ν and m-calpains are 0.21 and 0.37 μM respectively).target:calpain[1]In vitro: PD150606 also against tetrafluoroethyl-l-cysteine-, bromohydroquinone-, oxidant (t-butylhydroperoxide)- and calcium ionophore (ionomycin)-induced cell death. PD150606 inhibits calpains by binding to the calcium-binding domain of the enzyme. [2] high specificity for calpains relative to other proteases, uncompetitive inhibition with respect to substrate.[3]
MG-262 is a reversible proteasome inhibitor with diverse biological activities[1][2][3].
Baceridin is a proteasome inhibitor and a cyclic hexapeptide. Baceridin can be isolated from the culture medium of Epiphytic Bacillus. Baceridin can inhibit cell cycle progression and induce tumor cell apoptosis through a p53-independent pathway. Baceridin can be used in cancer research[1].
Z-Leu-Leu-Glu-βNA (Z-Leu-Leu-Glu-β-naphthylamide) is a substrate for determination of the glutamylpeptidyl-peptide hydrolase activity of the 20S proteasome[1].
GSK3494245 (DDD01305143) is a potent, orally active, and selective inhibitor of the chymotrypsin-like activity of the parasite proteasome binding in a site sandwiched between the β4 and β5 subunits (IC50=0.16 μM for WT L. donovani proteasomes). GSK3494245 moderately inhibits chymotrypsin-like activity of human proteasome (IC50: purified 26S=13 µM; enriched THP-1 extracts IC50=40µM). GSK3494245 exhibits attractive biological and biosafety properties[1][2].
KZR-504 is a highly selective and orally active inhibitor of immunoproteasome low molecular mass polypeptide 2 (LMP2), with IC50s of 51 nM, 4.274 μM for LMP2 and LMP7, respectively.
LMP7-IN-1 is an inhibitor of immunoproteasome (LMP7), may used in the research of inflammatory and autoimmune diseases, neurodegenerative diseases, proliferative diseases and cancer[1].
Ac-Leu-Leu-Norleucinol (ALLN) is a calpain inhibitor, can be used for research of Acetaminophen (HY-66005) induced acute liver damage, and lowers glutamic-oxalacetic transaminease (ALT) and glutamic-pyruvic transaminase (AST)[1].
Z-Gly-Pro-Phe-Leu-CHO (Z-GPFL-CHO) is a tetrapeptide aldehyde that acts as a highly selective and potent proteasomal inhibitor (Ki = 1.5 µM for branched chain amino acid preferring, 2.3 µM for small neutral amino acid preferring, and 40.5 µM for chymotrypsin-like activities; IC50 = 3.1 µM for peptidyl-glutamyl peptide hydrolyzing activity)[1].
Ixazomib citrate (MLN9708) is a reversible inhibitor of the chymotrypsin-like proteolytic β5 site of the 20S proteasome with an IC50 of 3.4 nM and a Ki of 0.93 nM.
Gabexate Mesylate is a Factor X inhibitor; serine protease inhibitor .Target: Factor XGabexate mesylate is a non-antigenic synthetic inhibitor of trypsin-like serine proteinases that is therapeutically used in the treatment of pancreatitis and disseminated intravascular coagulation and as a regional anticoagulant for hemodialysis. Values of the inhibition constant (K(i)) for gabexate mesylate binding to human and bovine tryptase were 3.4 x 10(-9) M and 1.8 x 10(-7) M (at pH 7.4 and 37.0 degrees ), respectively. Gabexate mesylate inhibited the fibrinogenolytic activity of human tryptase [1]. Gabexate Mesylate decreased the TNFalpha production of LPS-stimulated monocytes as shown by the inhibition of mRNA expression and increased the IL-10 production of LPS-stimulated monocytes. Gabexate Mesylate also suppressed the NFkappaB activity of LPS-stimulated monocytes. Inhibitory effect of Gabexate Mesylate on the TNFalpha production of activated human monocytes is mediated by the suppression of NFkappaB activation [2]. Gabexate mesylate inhibits competitively constitutive and inducible NO synthase (cNOS and iNOS, respectively), with Kivalues of 1.0×10?4M and 5.0×10?3M, respectively, at pH 7.4 and 37.0°C. gabexate mesylate increases iNOS mRNA expression in rat C6 glioma cells, as induced byE. colilipopolysaccharide plus interferon-γ. Gabexate mesylate inhibits dose-dependently nitrite production (i.e. NO release) in rat C6 glioma cells, as induced byE. colilipopolysaccharide plus interferon-γ [3].
Rpn11-IN-1 is a potent and selective inhibitor of proteasome subunit Rpn11 with an IC50 of 390 nM.
Z-Leu-Leu-Glu-AMC is a substrate peptide, and can be used for determination of postacidic-like hydrolysing activity of 20S proteasome[1]
5-Amino-8-hydroxyquinoline (5A8HQ), a potential anticancer candidate, has promising proteasome inhibitory activity.
Z-GGF-CMK is a protease inhibitor, inhibits ClpP1P2 and proteasome. Z-GGF-CMK exhibits cytotoxic activity against HepG2 cells with a CC50 value of 125 μM[1].
Calpain-2-IN-1 is a calpain-2 selective inhibitor that enhances learning & memory by prolonging ERK activation.
SAP2-IN-1 is a secreted aspartic protease 2 (SAP2) inhibitor and has potent SAP2 inhibitory activity with an IC50 value of 0.92 μM. SAP2-IN-1 also is a virulence factor inhibitor and is inactive in vitro. SAP2-IN-1 can be used for the research of infection[1].
BC-23 (NSC 45382) is a proteasome inhibitor. BC-23 exhibits good inhibition of CT-L activity of the proteasome and is selective for malignant over normal cells[1][2].
20S Proteasome activator 1 is a potent 20S proteasome activator with EC200 values of 0.3 μM, 0.7 μM and 1.8 μM for trypsin-like site, chymotrypsin-like site and caspase-like site. 20S Proteasome activator 1 translates well in a cellular system, preventing the accumulation of the pathogenic A53T mutant of α-synuclein. 20S Proteasome activator 1 can be used for researching neurodegenerative diseases[1].