Bacterial compound (inhibitors, antagonists)-ProbeChem.com

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Bacteria constitute a large domain of prokaryoticmicroorganisms. Antibiotics (also called antibacterials) are a type of antimicrobial drug used in the treatment and prevention of bacterial infections, a limited number of antibiotics also possess antiprotozoal activity. Together with vaccination, antibiotics have led to the near eradication of diseases such as tuberculosis in the developed world. However, their effectiveness and easy access have also led to their overuse, prompting bacteria to develop resistance.

A bactericidal activity of antibacterials may depend on the bacterial growth phase, and it often requires ongoing metabolic activity and division of bacterial cells. In vitro characterization of antibacterial activity commonly includes the determination of the minimum inhibitory concentration and minimum bactericidal concentration of an antibacterial. To predict clinical outcome, the antimicrobial activity of an antibacterial is usually combined with its pharmacokinetic profile, and several pharmacological parameters are used as markers of drug efficacy.

Cat. No.	Product Name	Information
PC-23136	MAC-0452936 E. coli Lgt inhibitor	MAC-0452936 is a specific small molecule inhibitor of prolipoprotein diacylglyceryl transferase, Lgt, in Escherichia coli, with IC50 of 1.45 uM (DDM-Lgt).
PC-23128	PTB2 BamA inhibitor	PTB2 is a 14-amino acid macrocyclic peptide BamA inhibitor with MIC of 4 µg/mL (2 µM) against wild-type E. coli, binds to the open lateral gate BamA.
PC-23127	PTB2-1 BamA inhibitor	PTB2-1 is an E. coli-specific BamA inhibitor with MIC of 4 ug/mL, inactive against other bacterial species, decreases OMP levels, decreased activity of the OmpT enzyme, increases outer membrane permeability.
PC-23126	PTB1 BamA inhibitor	Peptide Targeting BamA-1 (PTB1) is a 12-amino acid macrocycle, multi-species BamA inhibitor, binds to purified BamA with SPR Kd of 50 pM, has MIC of 42 ug/mL (25 uM) against wild-type E. coli strain.
PC-22986	G247 MsbA inhibitor	G247 is a specific MsbA inhibitor, reduces MsbA NBD dimerization efficiency and ATPase activity.
PC-22958	Virstatin ToxT inhibitor	Virstatin is a small-molecule inhibitor of transcription factor ToxT, inhibits the pili system synthesis and prevents A. baumannii biofilm formation, reduces virulence in vitro.
PC-22943	Ridinilazole C. difficile inhibitor	Ridinilazole (SMT19969) is a narrow-spectrum, non-absorbable antimicrobial against Clostridium difficile with MIC of 0.125 to 0.5 ug/ml, MIC90 of 0.25 ug/mL, including ribotype 027 strains.
PC-22942	Ramoplanin Antibiotic	Ramoplanin (A-16686) is a glycolipodepsipeptide antibiotic with MIC50 of 1.45 ug/mL against methicillin-resistant S. epidermidis (MRSE), shows activity against staphylococci, enterococci and C. difficile.
PC-22941	OPS-2071 C. difficile inhibitor	OPS-2071 is a novel quinolone antibacterial agent with potent antibacterial activity against 54 clinically isolated C. difficile strains with MIC50 of 0.125 ug/mL, reduces the risk of adverse events typical of fluoroquinolone class antibiotics.
PC-22849	PBZ1587 GroES/GroEL inhibitor	PBZ1587 is a small-molecule inhibitor of the GroES/GroEL chaperone system with IC50 of 0.44 uM in MDH refolding assay, binds at the GroEL ring–ring interface (RRI).
PC-22848	PBZ1038 GroES/GroEL inhibitor	PBZ1038 is a small-molecule inhibitor of the GroES/GroEL chaperone system with IC50 of 1.2 uM against E. faecium GroES/GroEL refolding of malate dehydrogenase (MDH), binds at the GroEL ring–ring interface (RRI).
PC-22835	Cefiderocol Antibiotic	Cefiderocol (CFDC, S-649266) is a siderophore cephalosporin antibiotic, has a potent activity against a broad range of aerobic Gram-negative bacterial species with MIC50 of <2 ug/mL.

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