Antibacterial

PptT-IN-3 (5p), an inhibitor of PptT in Mycobacterium tuberculosis, IC50=3.5μM, is key for TB research.

RhlR antagonist 1: IC50 of 26 μM, selective for RhlR, inhibits P. aeruginosa biofilm and virulence factors.

Pks13-TE inhibitor 4 (compound 44) is a potent inhibitor from the thiazole series that effectively targets Pks13 to combat tuberculosis (TB) and addresses drug resistance.

Cefempidone (GR 50692) is a third-generation cephalosporin antibiotic. It exhibits antibacterial activity by inhibiting penicillin-binding proteins involved in the synthesis of bacterial cell walls.

Compound 4e, an antibacterial against P. aeruginosa, disrupts cell membranes (MIC: 1 μg/ml).

Glutamate-5-kinase-IN-2 (compound 54) is a potent G5K inhibitor with 4.2 μM MIC, potential in anti-TB research.

DRF-8417 is an oxazolidinone antibiotic, active against both Gram-positive bacteria and fastidious Gram-negative bacteria. The MIC50 and MIC90 values of DRF-8417 for Gram-positive pathogens range between 0.06-1 mg/L.

NS-062 is an orally effective, irreversible covalent inhibitor targeting EGFR, demonstrating antiproliferative activity in the resistant double mutant H1975 cells with an IC50 of 0.19 μM. It also exhibits antitumor activity in a murine H1975 xenograft model.

(R)-ZG197: Activates Sa ClpP (EC50=1.5μM) & Hs ClpP (EC50=31.4μM); selective for Sa ClpP.

SPR719 is an inhibitor of gyrase B, has bactericidal activity.

Antibacterial agent 80 (compound 20) has antibacterial activity [1].

HC2210 exhibits antibacterial effects against Mycobacterium abscessus (Mab) with an EC50 of 0.72 µM. It modulates the expression of Mab genes associated with oxidative stress and lipid metabolism. HC2210 is applicable for studies on Mab infections.

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.

QPX7728 bis-acetoxy methyl ester is an inhibitor of boronic acid β-lactamase.

Anticaries agent-1 (Compound 21b) is utilized as an anticaries agent. It effectively inhibits biofilm formation with an IC50 of 77 μM and restricts the growth of S. mutans.

DHFS-IN-1 (Compound 3) is an inhibitor of dihydrofolate synthetase (DHFS) with an IC50 of 2.6 μM. It is applicable for research into infectious diseases related to bacterial folate synthesis.

1,5-Dideoxy-1,5-imino-D-mannitol is an antibiotic with antibacterial properties.

LpxH-IN-2 (compound 014), a potent inhibitor of LpxH, exhibits antibacterial activity against E. coli.

DC-159a, an 8-methoxy fluoroquinolone, possesses broad-spectrum antibacterial activity, with a particular efficacy against Gram-positive pathogens. The MIC90 values for DC-159a are 0.5 μg/mL against Streptococcus anginosus group, 4 μg/mL against Clostridium difficile, and 2 μg/mL against Bacteroides fragilis.

D-CS319 is a potent inhibitor of metal-𝛽-lactamases (MBLs), exhibiting IC50 values of 2.0 μM for IMP-1 and 3.0 μM for IMP-78. RPX 7546 possesses antibacterial activity.

PptT-IN-1, a potent PptT inhibitor (IC50: 2.8 μM), shows promise for tuberculosis research.

Antitubercular agent-11 (Compound 1e) is an antitubercular agent with a bulkier electron-donating group (Bu-t) that shows the best MIC value of 0.060 μg/mL [1].

Compound 3d: antitubercular, MIC 0.007 μg/mL vs MTB H37Rv, 1.851 μg/mL vs MDR-MTB 16833, metabolically unstable.

MtTMPK-IN-2 inhibits M. tuberculosis TMPK (IC50: 1.1 μM), Mtb H37Rv (MIC: 12.5 μM), and is cytotoxic in MRC-5 cells (EC50: 6.1 μM).

MtTMPK-IN-8 inhibits MtbTMPK, has low cytotoxicity, shows 0.78-9.4 μM activity against Mycobacterium, useful for tuberculosis research.

Topoisomerase inhibitor 5 (compound 158) is an inhibitor of bacterial topoisomerase, with a minimum inhibitory concentration of 0.125 μg/mL, and exhibits anti-tuberculosis activity.

FPI-1465: Dual serine-β-lactamase & PBP inhibitor; IC50 PBP2=1.0 μg/mL; Kd CTX-M-15=0.011μM, OXA-48=5.3μM.

NDM-1 inhibitor-3 is a New Delhi Metallo-β-lactamase-1 (NDM-1) inhibitor (Ki : 4 μM) widely found in nature and is associated with antibiotic resistance.

Anti-MRSA agent 2 inhibits MRSA at 0.098 μg/ml, with low toxicity and disrupts bacterial membranes and DNA.

NFC nitro probe 1 (compound 18) is a chemical probe designed for the detection of Mtb, exhibiting high potency against both R-Mtb and NR-Mtb.

Urease-IN-20 (compound XBP2) is an inhibitor of Helicobacter pylori (H. pylori), with an IC50 of 0.14 μM for H. pylori inhibition. It effectively decreases apoptosis in GES-1 cells infected with H. pylori and reduces levels of ROS and γH2AX. Urease-IN-20 also demonstrates significant gastric mucosal protective effects, making it suitable for H. pylori research.

EFP-IN-1: potent β-lysine derivative, inhibits EFP, slows E. coli growth.

Carumonam Sodium is a monobactam, penicillin-binding protein inhibitor. It is used as antibacterials.

Probenecid sodium is the sodium salt of Probenecid, a potent and selective agonist of transient receptor potential vanilloid 2 (TRPV2) channels. Additionally, Probenecid acts as an inhibitor of pannexin 1 channels.

N6-Benzoyl-2'-deoxyadenosine monohydrate is a nucleoside analogue that helps diagnose bacterial infections by binding to double-stranded DNA and altering its structure, which can subsequently be detected using electrophoresis.

MCB-3681, active against gram-positive bacterium, is the antibacterial Oxaquin's active substance.

LY 215890 is a compound that exhibits potent Gram-negative and Gram-positive antibacterial activity.

ACHN-975: potent LpxC inhibitor with subnanomolar activity; targets many gram-negative bacteria; MIC ≤1 μg/mL.

Dioxidine is an antimicrobial agent that can inhibit bacterial growth. It is utilized in research on pyogenic infections.

β-Glucuronidase-IN-3 (Compound 49) is a covalent allosteric inhibitor targeting β-glucuronidase. It exhibits potent inhibitory activity against Escherichia coli β-glucuronidase (EcGUS) with an IC50 of 12.9 nM. The compound exerts its inhibitory effect through reversible covalent modification of cysteine residues (Cys28, Cys443, and Cys197) on EcGUS. It is applicable in research on gut microbiota-related diseases, particularly in reducing the toxic side effects of Irinotecan and non-steroidal anti-inflammatory drugs (NSAIDs).

Urease-IN-2 is a non-competitive inhibitor of urease (IC50: 0.94 μM, Ki: 1.6 μM) that non-competitively inhibits Jack bean urease (JBU).

Antibacterialagent 281 (Compound 95,186) effectively inhibits the growth of GAS by binding to the ligand-binding pocket of SPs0871, competing with the ligand. It exhibits concentration-dependent growth inhibition against Streptococcus pyogenes (S. pyogenes).

Colistin adjuvant-1, inhibits NF-κB (IC50: 0.209 μM), boosts mucin against gram-negative bacteria.

Compound 11: Sulfonylurea derivative, antimicrobial, anticancer; MIC 0.039-0.156 mg/mL; A549 IC50: 19.7 μg/mL, PC3 IC50: 11.9 μg/mL.

KKL-40 is a small-molecule inhibitor that targets the trans-translation process, effectively suppressing methicillin-sensitive and resistant Staphylococcus aureus (S. aureus) and other Gram-positive pathogens, including vancomycin-resistant Enterococcus faecium, Bacillus subtilis, and Streptococcus pyogenes. It works in synergy with the human antimicrobial peptide LL-37 to inhibit S. aureus, but does not show synergistic effects with other antibiotics such as daptomycin, kanamycin, or erythromycin. KKL-40 inhibits trans-translation, an extreme form of recoding, while being non-toxic to HeLa cells.

Rf470 (Rotor NO.4) TFA is an FMR-probe-D-lysine conjugate (Max Ex: 470 nM; Max Em: 640 nM) that can be covalently integrated into bacterial peptidoglycan. In its free state, Rf470 TFA exhibits weak fluorescence, which significantly increases upon integration into peptidoglycan by transpeptidase catalysis. This fluorescence change allows Rf470 TFA to be used for real-time monitoring of peptidoglycan biosynthesis, detecting transpeptidase activity, and screening antibiotics.

MetRS-IN-1 (Compound 27) is an inhibitor of E. coli methionyl-tRNA synthetase (MetRS) with an IC50 value of 237 nM [1].

NDM-1 inhibitor-7 (Compound A8) is an NDM-1 inhibitor with an IC50 of 10.284 μM. It restores the ability of meropenem (MEM) to penetrate the cell wall of Gram-negative bacteria and effectively reinstates MEM's antibacterial activity against NDM-1 positive Escherichia coli. Moreover, NDM-1 inhibitor-7 demonstrates significant efficacy in both Galleria mellonella and murine peritonitis infection models.

Antibacterialagent 262 (compound A23) is a potent antibacterial agent that inhibits the activity of Xanthomonas oryzae pv oryzae. It also disrupts the integrity of bacterial cell membranes by preventing the formation of biofilms of Xanthomonas oryzae pv oryzae.