e-64

E-64 (Proteinase inhibitor E 64) is an irreversible and specific inhibitor of cysteine proteases, exhibiting an IC50 of 9 nM for papain.

GNE-6468 is a potent and selective agonist of RORγ(RORc) (EC50: 13 nM for HEK-293 cell).

NSC-5844 (RE-640) (RE640) is a bisquinoline compound with C-C chemokine receptor type 1 (CCR1)-agonistic activities.

Bunazosin Hydrochloride (E 1015) is an alpha(1)-adrenoceptor antagonist used as a systemic antihypertensive and an ocular hypotensive drug.

E 64c (EP 475) , a derivative of E-64, is an irreversible and membrane-permeant cysteine protease inhibitor.

E64FC26 is a potent protein disulfide isomerase (PDI) family pan-inhibitor with antitumor activity, inhibits PDIA1, PDIA3, PDIA4, TXNDC5 and PDIA6, and can be used in the study of multiple myeloma and pancreatic cancer.

TAE648 is a ligand for a target protein used in PROTAC (Proteolysis Targeting Chimeras) applications. It is utilized in the synthesis of PROTAC SK-3-91.

Cariporide (HOE-642) (HOE-642), an effective NHE1 inhibitor, has inhibitory effects on the degranulation of human platelets, the formation of platelet-leukocyte-aggregates, and the activation of the GPIIb/IIIa receptor (PAC-1).

Cariporide Mesylate is a selective inhibitor of the Na+/H+ exchanger isoform 1.

(E/Z)-E64FC26 is a potent protein disulfide isomerase (PDI) family inhibitor with potential antitumor activity and affinity for PDIA1, PDIA3, PDIA4, TXNDC5 and PDIA6. (E/Z)-E64FC26 can be used for myeloma research.

E6446 dihydrochloride is a novel synthetic antagonist for nucleic acid-sensing TLRs; potently suppressed DNA stimulation of HEK:TLR9 cells with IC50 of 10 nM.

E6446 inhibits Toll-like receptor (TLR)7 and 9 signaling. E6446 works in a variety of human and mouse cell types and inhibits DNA-TLR9 interaction in vitro. When administered to mice, this compound suppress responses to challenge doses of cytidine-phosphate-guanidine (CpG)-containing DNA, which stimulates TLR9.

Aloxistatin (E64d) is an inhibitor of cysteine protease with blood platelet aggregation inhibiting activity. Aloxistatin is an irreversible, membrane-permeable inhibitor of lysosomal and cytosolic cysteine proteases with the ability to inhibit calpain activity in intact platelets.

EP 459 is a thiol and calpain protease inhibitor.

Arylsulfonamide 64B (HIF inhibitor 64B), an inhibitor of the hypoxia-induced factor (HIF), not only suppresses hypoxia/HIF-induced expression of c-Met and CXCR4 but also decreases primary tumor growth and metastasis in a uveal melanoma mouse model [1].

LtaS-IN-1 is an effective inhibitor of Lipoteichoic acid synthesis in multidrug-resistant (MDR) E. faecium and by altering the cell wall morphology. LtaS-IN-1 is against Enterococcus spp 28 strains with varying MIC values ranging from 0.5 μg/mL to 64 μg/mL. LtaS-IN-1 inhibits strain E1630 and E1590 with MIC values of 0.5 μg/mL.

DNA ligase-IN-2 (compound 2) acts as a potent LigA inhibitor, effectively hindering the DNA-independent spontaneous adenylation activity of full-length LigA and the truncated enzyme LigA:AD with an IC50 of 29 nM. It also significantly suppresses the in vitro growth of Staphylococcus aureus, showing MIC values of 1 μg/mL for S. aureus ATCC 29213 and S. aureus ATCC 700699, while the MIC for Escherichia coli (E. coli) ATCC 25922 is >64 μg/mL.

Antiangiogenic agent 8 (Compound 3m) functions as both an antibacterial agent and an antiangiogenic compound. It shows minimum inhibitory concentrations (MIC) of 16, 8, 4, 16, and 8 μg/mL against E. coli, P. aeruginosa, B. subtilis, S. aureus, and C. glabrata, respectively, with minimum bactericidal concentrations (MBC) ranging from 32 to 64 μg/mL. This compound holds potential for applications in infection control and cardiovascular disease research.

Antibacterialagent (compound 8b) is a potent antimicrobial compound. It exhibits significant antibacterial activity against E. coli and S. aureus, with IC50 values of 64 µg/mL and 32 µg/mL, respectively.

Resolvin E2 (RvE2) is a member of the specialized pro-resolving mediator (SPM) family of bioactive lipids.1It is produced from eicosapentaenoic acidviaan 18-HEPE intermediate, which is formed by aspirin-acetylated COX-2-mediated oxidation of EPA, by 5-lipoxygenase (5-LO) in human polymorphonuclear (PMN) neutrophils.2,3RvE2 (20 ng/animal) inhibits increases in inflammatory exudate neutrophil infiltration in a mouse model of peritonitis induced by zymosan A .3Hepatic RvE2 levels are increased in mice fed normal chow, as well as in a mouse model of high-fat diet-induced non-alcoholic fatty liver disease (NAFLD), by dietary supplementation with EPA.4Plasma levels of RvE2 are increased by dietary supplementation with fish oil containing ω-3 polyunsaturated fatty acids (PUFAs) in patients with peripheral artery disease or chronic kidney disease.1,5,6 1.Chiang, N., and Serhan, C.N.Specialized pro-resolving mediator network: An update on production and actionsEssays Biochem.64(3)443-462(2020) 2.Tjonahen, E., Oh, S.F., Siegelman, J., et al.Resolvin E2: Identification and anti-inflammatory actions: Pivotal role of human 5-lipoxygenase in resolvin E series biosynthesisChemistry & Biology131193-1202(2006) 3.Sungwhan, F.O., Pillai, P.S., Recchiuti, A., et al.Pro-resolving actions and stereoselective biosynthesis of 18S E-series resolvins in human leukocytes and murine inflammationJ. Clin. Invest.121(2)569-581(2011) 4.Echeverría, F., Valenzuela, R., Espinosa, A., et al.Reduction of high-fat diet-induced liver proinflammatory state by eicosapentaenoic acid plus hydroxytyrosol supplementation: Involvement of resolvins RvE1/2 and RvD1/2J. Nutr. Biochem.6335-43(2019) 5.Ramirez, J.L., Gasper, W.J., Khetani, S.A., et al.Fish oil increases specialized pro-resolving lipid mediators in PAD (the OMEGA-PAD II trial)J. Surg. Res.238164-174(2019) 6.Barden, A.E., Shinde, S., Burke, V., et al.The effect of n-3 fatty acids and coenzyme Q10 supplementation on neutrophil leukotrienes, mediators of inflammation resolution and myeloperoxidase in chronic kidney diseaseProstaglandins Other Lipid Mediat.1361-8(2018)

L-Pyrohomoglutamic acid is an amino acid building block.1,2It has been used in the synthesis of ligands for FK506-binding proteins (FKBPs) and histone deacetylase (HDAC) inhibitors. 1.Pomplun, S., Wang, Y., Kirschner, A., et al.Rational design and asymmetric synthesis of potent and neurotrophic ligands for FK506-binding proteins (FKBPs)Angew. Chem. Int. Ed.54(1)345-348(2015) 2.Taddei, M., Cini, E., Giannotti, L., et al.Lactam based 7-amino suberoylamide hydroxamic acids as potent HDAC inhibitorsBioorg. Med. Chem. Lett.24(1)61-64(2014)

AN3661, a potent antimalarial lead compound, targets a Plasmodium falciparum cleavage and polyadenylation specificity factor homologue subunit 3 (PfCPSF3) and inhibits Plasmodium falciparum laboratory-adapted strains, Ugandan field isolates, and murine P. berghei and P. falciparum infections[1].

Leoidin is a depsidone originally isolated from L. gangaleoides that has antibacterial and enzyme inhibitory activities.1,2,3 It is active against the bacteria E. faecalis, H. influenzae, M. catarrhalis, S. aureus, and S. pneumoniae (MICs = 8, 32, 1, 128, and 64 μg/ml, respectively).2 Leoidin inhibits phenylalanyl-tRNA synthetase (PheRS) isolated from P. aeruginosa (IC50 = 42 μM). It also inhibits organic anion-transporting polypeptide 1B1 (OATP1B1) and OATP1B3 with Ki values of 0.08 and 1.84 μM, respectively, in CHO cells expressing the human transporters.3

Feglymycin is a 13-amino acid peptide originally isolated from Streptomyces that has antibacterial and antiviral activities. It is active against Gram-positive bacteria (MICs = 32-64 μg/ml) and inhibits HIV viral replication in H9 cells (IC50 = ~5 μM). Feglymycin is also active against clinical isolates of HIV-1 from clades A-D, A/E, and G (EC50s = 0.5-6.7 μM). It interacts with gp120 and inhibits HIV-1 NL4.3 binding to human soluble CD4 (EC50 = 4.4 μM) and to CD4+ SupT1 T cells by 74.5% when used at a concentration of 10.5 μM. Feglymycin inhibits the E. coli peptidoglycan biosynthesis enzymes MurA and MurC (Kis = 3.4 and 0.3 μM, respectively) in a noncompetitive manner.