irreversible

FIIN-1 (FGFR irreversible inhibitor-1) is an irreversible and selective FGFR inhibitor with Kd of 2.8, 6.9, 5.4, 120, 32 and 120 nM for FGFR1, FGFR2, FGFR3, FGFR4, Flt1, Flt14, respectively.FIIN-1 inhibited FGFR1, FGFR2, FGFR3, FGFR4, with IC50 of 9.2, 6.2, 11.9 and 189 nM. FIIN-1 inhibited FGFR1, FGFR2, FGFR3 and FGFR4, with IC50s of 9.2, 6.2, 11.9 and 189 nM, respectively.

Marizomib is a novel irreversible brain-permeable proteasome inhibitor that inhibits CT-L (β5), CT-T-laspase-like (C-L, β1), and trypsin-like (T-L, β2) 20S proteasomes with IC50s of 3.5, 28, and 430 nM.[3]

Tirabrutinib hydrochloride is a potent, highly selective, and irreversible oral BTK inhibitor. Tirabrutinib hydrochloride irreversibly covalently binds to Bruton tyrosine kinase (BTK) in B cells and exhibits potent in vitro cytotoxicity against many types of B cell malignancies, as well as in vivo antitumor activity in mouse models [1].

Emricasan (IDN-6556) is a pan-caspase inhibitor with irreversible properties. Emricasan has anti-inflammatory and anti-apoptotic activity and can be used in the treatment of infections and liver failure, etc. Emricasan also inhibits Zika virus infections.

Osimertinib (AZD-9291) is an EGFR third-generation inhibitor that inhibits the T790M resistance mutation produced by second-generation EGFR inhibitors with irreversible and oral activity. Osimertinib has antitumor activity for the treatment of EGFR-mutated non-small-cell lung cancer.

Conduritol B epoxide is an irreversible inhibitor of β-glucosidase (GCase).

Z-DEVD-FMK (Caspase-3 Inhibitor) is a selective, irreversible Caspase-3 inhibitor, and also exhibits effective inhibition activity on caspase-6, caspase-7, caspase-8, and caspase-10.

Etomoxir sodium salt ((R)-Etomoxir sodium salt) is a carnitine palmitoyltransferase 1a (CPT-1a) inhibitor that blocks fatty acid synthesis. Etomoxir sodium salt has antitumor activity.

Z-VAD(OMe)-FMK is a pan-caspase inhibitor with irreversible properties; Z-VAD(OMe)-FMK is also an inhibitor of ubiquitin C terminal hydrolase L1 (UCHL1), which is irreversibly modified by targeting the UCHL1 active site.

EGFR-IN-1 hydrochloride is an irreversible and specific inhibitor of L858R T790M mutant EGFR, with 100-fold selectivity over wild-type EGFR. It exhibits potent antitumor and antiproliferative activity in H1975 cells and mutant HCC827 cells with IC50s of 4 and 28 nM, respectively.

CHMFL-EGFR-202 is a potent, irreversible inhibitor of EGFR mutant kinase with IC50 values of 5.3 nM for drug-resistant mutant EGFR T790M and 8.3 nM for WT EGFR kinases.

Sulfosuccinimidyl oleate sodium is a long-chain fatty acid that inhibits fatty acid transport into cells and is a potent and irreversible inhibitor of the mitochondrial respiratory chain and has anti-inflammatory properties without causing cytotoxic effects.

AEBSF hydrochloride (Pefabloc SC) is an irreversible inhibitor of serine proteases, such as chymotrypsin, kallikrein, thrombin, plasmin, and trypsin.

Fenclonine (CP-10188) is a selective and irreversible inhibitor of tryptophan hydroxylase, a rate-limiting enzyme in the biosynthesis of serotonin (5-HYDROXYTRYPTAMINE). Fenclonine(CP-10188) acts pharmacologically to deplete endogenous levels of serotonin.

Osimertinib mesylate (AZD-9291 mesylate) is an EGFR third-generation inhibitor that inhibits the T790M resistance mutation produced by second-generation EGFR inhibitors with irreversible and oral activity. Osimertinib mesylate has antitumor activity for the treatment of EGFR-mutated non-small-cell lung cancer.

Ibrutinib (PCI-32765) is an irreversible inhibitor of BTK (IC50: 0.5 nM) that selectively blocks B cell activation.

Pargyline hydrochloride (Pargylamine hydrochloride) is an irreversible monoamine oxidase(MAO) inhibitor with antihypertensive properties.

Esomeprazole Magnesium (NEXIUM) is the S-isomer of omeprazole, can reduce gastric acid secretion with selective and irreversible proton pump inhibitor activity.Esomeprazole magnesium acts as an exosome inhibitor by blocking the exosome release via the inhibition of V-H+-ATPases

Esomeprazole Sodium ((S)-Omeprazole sodium) is the S-isomer of omeprazole with selective and irreversible proton pump inhibitor activity.Esomeprazole acts as an exosome inhibitor by blocking the exosome release via the inhibition of V-H+-ATPases

Dibenamine hydrochloride is a competitive and irreversible blocker of the β-adrenergic receptor.

4-Diethylaminobenzaldehyde, a reversible aldehyde dehydrogenase (ALDH) inhibitor (Ki: 4 nM for ALDH1), exhibits a potent anti-androgenic effect (IC50: 1.71 μM).

(S)-Afatinib (BIBW2992) is an irreversible EGFR family inhibitor with IC50s of 0.5 0.4 10 14 1 nM for EGFRwt, EGFR (L858R), EGFR (L858R T790M), HER2, and HER4, respectively.

Phenelzine sulfate is a non-selective, irreversible monoamine oxidase inhibitor (MAOI) with antidepressant and anxiolytic properties.

Sulbactam (CP45899) is a semi-synthetic beta-lactamase inhibitor. The beta-lactam ring of sulbactam irreversibly binds to beta-lactamase at or near its active site, thereby blocking enzyme activity and preventing metabolism of other beta-lactam antibiotics by the enzyme. Combining this agent with a beta-lactamase susceptible antibiotic, such as penicillins or a cephalosporin, to treat infections caused by beta-lactamase producing organisms, results in a decreased turnover rate of the beta-lactamase sensitive antibiotic and enhances its antibacterial activity.

4-POBN (Myeloperoxidase Inhibitor 1) is a potent and irreversible inhibitor of myeloperoxidase (IC50 = 0.3 µM). 4-POBN can be used in studies about subacute stroke.

Neratinib (HKI-272) (HKI-272) is an orally available, irreversible tyrosine kinase inhibitor for HER2 and EGFR (IC50: 59 92 nM), respectively.

Pantoprazole sodium (Pantecta) is the sodium salt form of a substituted benzimidazole with proton pump inhibitor activity. Pantoprazole sodium is a lipophilic, weak base that crosses the parietal cell membrane and enters the acidic parietal cell canaliculus where it becomes protonated, producing the active metabolite sulfenamide, which forms an irreversible covalent bond with two sites of the H+ K+-ATPase enzyme located on the gastric parietal cell, thereby inhibiting both basal and stimulated gastric acid production.

DEPC (Diethyl pyrocarbonate) is a potent and irreversible RNase inhibitor containing histidine residues.DEPC can be used to prevent RNA enzyme degradation by modifying histidine residues with carboxylation resulting in enzyme inactivation. DEPC showed inhibitory effect on the central chemical sensitivity of rabbits. DEPC modified His, Tyr, Ser and Thr residues.

Iproniazid Phosphate is a non-selective, irreversible monoamine oxidase inhibitor (MAOI).

Piperonylic acid (2H-1,3-benzodioxole-5-carboxylic acid) is a natural molecule bearing a methylenedioxy function that closely mimics the structure of trans-cinnamic acid. Piperonylic acid selectively inactivate the CYP73A P450 subpopulation.

(R)-Lansoprazole (T 168390) is the R-isomer of lansoprazole and a substituted benzimidazole prodrug with selective and irreversible proton pump inhibitor activity.Lansoprazole (AG 1749) is a potent brain penetrant neutral sphingomyelinase (N-SMase) inhibitor (exosome inhibitor)

Aspirin (Acetylsalicylic Acid) is a COX inhibitor that inhibits COX1 and COX2 (IC50=5 210 μg mL) with selective, irreversible, and oral activity. Aspirin is also a histone deacetylase inhibitor that up-regulates the cell cycle blocking protein, p21. Aspirin has a variety of activities. Aspirin has anti-inflammatory, antipyretic and analgesic, and antiplatelet aggregation activities.

Andrographolide (Andrographis)(Andrographis), an irreversible antagonist of NF-κB, has anti-inflammatory and anti-platelet aggregation activities and potential antineoplastic.

Eflornithine hydrochloride hydrate (DFMO hydrochloride hydrate) is a specific and irreversible inhibitor of the ornithine decarboxylase (ODC). Eflornithine hydrochloride hydrate has antitumor activity and has also been used in the hirsutism Eflornithine hydrochloride hydrate has antitumor activity and is also used in the treatment of hirsutism.

Afatinib (BIBW 2992) is an irreversible inhibitor of the EGFR family (EGFR-wt, EGFR-L858R, EGFR-L858R T790M, and HER2) with IC50s of 0.5 nM, 0.4 nM, 10 nM, and 14 nM, respectively.

Minamestane is a novel irreversible aromatase inhibitor.Minamestane induces time-dependent inhibition of human placental aromatase with a half-life of 4 minutes and a K of 59 nM.Minamestane has antitumor activity.

Nitroaspirin (NCX 4016) is a nitric oxide donor and a nitro-derivative of Aspirin that inhibits cyclooxygenase. It induces cell cycle arrest and apoptosis in Cisplatin-resistant human ovarian cancer cells by down-regulating EGFR PI3K STAT3 signaling and modulating Bcl-2 family proteins. Additionally, Nitroaspirin possesses antithrombotic and antiplatelet properties and acts as a direct and irreversible inhibitor of COX-1.

GSK2879552 is an orally available, irreversible inhibitor of lysine specific demethylase 1 (LSD1), with potential antineoplastic activity.

Sulfosuccinimidyl oleate (Sulfo-N-succinimidyl oleate) is a long-chain fatty acid that inhibits fatty acid transport into cells. It is a potent and irreversible inhibitor of the mitochondrial respiratory chain and binds the CD36 receptor on the surface of microglia. Sulfosuccinimidyl oleate is neuroprotective and alleviates stroke-induced neuroinflammation [1] [2].

Corin is an irreversible inhibitor of HDAC1(IC50 = 147 nM) and LSD1(Ki = 110 nM).

K777 is a potent, orally active, and irreversible inhibitor of cysteine protease, functioning as a potent CYP3A4 inhibitor (IC50 = 60 nM) and a selective CCR4 antagonist, which inhibits chemotaxis. K777 irreversibly inhibits Cruzain, the major cysteine protease of Trypanosoma cruzi, and cathepsins B and L, targeting cathepsin-mediated cell entry and exhibiting broad-spectrum antiviral activity. It inhibits EBOV and SARS-CoV pseudovirus entry with IC50 values of 0.87 nM and 0.68 nM, respectively.

MS8511, a selective covalent irreversible inhibitor of G9a/GLP, targets a cysteine residue at the substrate binding site, displaying IC50 values of 100 nM (G9a) and 140 nM (GLP), alongside Kd values of 44 nM (G9a) and 46 nM (GLP). This compound effectively reduces cellular H3K9me2 levels and boosts antiproliferation activity, making it applicable in cancer research involving brain, breast, ovarian, lung, bladder, melanoma, and colorectal cancers, as well as studies on Alzheimer’s disease (AD), sickle cell disease, and Prader−Willi syndrome (PWS) [1].

FMK 9a is an irreversible inhibitor of ATG4B with IC50 values of 80 and 73 nM in the TR-FRET and cellular-based LRA assays.

ACP-5862 is a major active and pyrrolidine ring-opened metabolite of Acalabrutinib (IC50: 5.0 nM for BTK). Acalabrutinib is an irreversible and highly selective BTK inhibitor (IC50: 3 nM; EC50: 8 nM).

JAK3-IN-11 (Compound 12) exhibits potent, noncytotoxic, irreversible, orally active JAK3 inhibitory activity (IC50 = 1.7 nM) with an excellent selectivity profile (>588-fold compared to other JAK isoforms), covalently binds to the ATP-binding pocket in JAK3. JAK3-IN-11 strongly inhibits JAK3-dependent signaling and T-cell proliferation which is a promising tool for studying autoimmune diseases [1].

PACMA 31 is an irreversible and covalent inhibitor of protein disulfide isomerase (PDI) with an IC50 of 10 μM. PACMA 31 significantly suppresses ovarian tumor growth and exhibits tumor targeting ability.

FMK is an irreversible inhibitor of RSK2 kinase.

α-(difluoromethyl)-DL-Arginine (RMI 71897) is an enzyma-activated, irreversible inhibitor of arginine decarboxylase for E. coli (Ki = 800 μM), Pseudomonas aeruginosa, and Klebsiella pneumoniae. At 0.01 mM, it has been shown to prevent osmotic stress-induced increases in arginine decarboxylase activity and putrescine synthesis in oat leaf cells. When combined with a variety of polyamine analogues, α-(difluoromethyl)-DL-Arginine inhibited the growth of Trypanosoma Crui in mammalian host cells at a minimum concentration of 10 mM and prevented the growth of Trypanosoma Crui in T-cell receptor alpha-deficient mouse models.