tazobactam [Ligand Id: 10789] activity data from GtoPdb and ChEMBL

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ChEMBL ligand: CHEMBL404 (CL 298,741, CL-298741, NSC-759887, Tazobactam, YTR-830H)
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  • Beta-lactamase in Pseudomonas aeruginosa [ChEMBL: CHEMBL3885668] [UniProtKB: D2SSQ3]
  • Beta-lactamase in Citrobacter freundii [ChEMBL: CHEMBL1255130] [UniProtKB: P05193]
  • Beta-lactamase in Enterobacter cloacae [ChEMBL: CHEMBL2725] [UniProtKB: P05364]
  • Beta-lactamase in Morganella morganii [ChEMBL: CHEMBL5764] [UniProtKB: P94958]
  • Beta-lactamase in S.aureus [ChEMBL: CHEMBL4114] [UniProtKB: P00807]
  • Beta-lactamase in Bacillus licheniformis [ChEMBL: CHEMBL5633] [UniProtKB: P00808]
  • Beta-lactamase in Pseudomonas luteola [ChEMBL: CHEMBL3308938] [UniProtKB: Q670S6]
  • Beta-lactamase in Bacillus clausii [ChEMBL: CHEMBL5439] [UniProtKB: A8RR46]
  • Beta-lactamase in Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG12228) [ChEMBL: CHEMBL5031] [UniProtKB: P24735]
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  • Beta-lactamase AmpC in Escherichia coli [ChEMBL: CHEMBL2026] [UniProtKB: P00811]
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  • Beta-lactamase bla(BEL1) in Pseudomonas aeruginosa [ChEMBL: CHEMBL3885670] [UniProtKB: Q3SAW3]
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  • Beta-lactamase CTX-M in Escherichia coli [ChEMBL: CHEMBL6131] [UniProtKB: Q9EXV5]
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  • Beta-lactamase OXA-1 in Escherichia coli [ChEMBL: CHEMBL4951] [UniProtKB: P13661]
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  • Beta-lactamase SHV-1 in Escherichia coli [ChEMBL: CHEMBL5956] [UniProtKB: P0AD63]
  • Beta-lactamase SHV-1 in Klebsiella pneumoniae [ChEMBL: CHEMBL5094] [UniProtKB: P0AD64]
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  • Beta-lactamase TEM in Enterobacter cloacae [ChEMBL: CHEMBL3652] [UniProtKB: Q6W9J1]
  • Beta-lactamase TEM in Escherichia coli [ChEMBL: CHEMBL2065] [UniProtKB: P62593]
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  • Beta-lactamase TEM-125 in Escherichia coli [ChEMBL: CHEMBL5041] [UniProtKB: Q6GWS8]
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  • Beta-lactamase type II in Bacteroides fragilis [ChEMBL: CHEMBL4840] [UniProtKB: P25910]
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  • Carbapenem-hydrolizing beta-lactamase SFC-1 in Serratia fonticola [ChEMBL: CHEMBL5042] [UniProtKB: Q6JP75]
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  • Carbepenem-hydrolyzing beta-lactamase KPC in Klebsiella pneumoniae [ChEMBL: CHEMBL6132] [UniProtKB: Q9F663]
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  • Extended-spectrum beta-lactamase CTX-M-53 in Salmonella enterica subsp. enterica serovar Westhampton [ChEMBL: CHEMBL1667678] [UniProtKB: Q2XPY6]
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  • PenB class A beta-lactamase in Burkholderia cenocepacia [ChEMBL: CHEMBL1641339] [UniProtKB: B8R6A5]
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  • PER-2 beta-lactamase in Citrobacter freundii [ChEMBL: CHEMBL5303] [UniProtKB: A2RP81]
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DB Assay description Assay Type Standard value Standard parameter Original value Original units Original parameter Reference
Bacterial beta-lactamase TEM in Bacteria (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2364670] [UniProtKB: P62593]
ChEMBL Inhibition of bacterial N-terminal His-tagged TEV protease site linked TEM-1 (24 to 286 amino acids) expressed in Escherichia coli Transetta (DE3) preincubated for 10 mins followed by FC5 fluorescent substrate addition by fluorescence assay B 6.72 pKi 190 nM Ki J Med Chem (2019) 62: 7160-7184 [PMID:31269398]
ChEMBL Cell Free Inhibition Assay: The inhibitory concentrations (IC50, [uM]) of the beta -lactamase inhibitors against purified TEM-1, SHV-1 and AmpC beta -lactamases are assessed by determining the concentration of inhibitor at which 50% of the nitrocefin hydrolysis is inhibited by the particular enzyme. Assays are performed with beta -lactamases expressed in the pET system (Novagen, San Diego, Calif.) without signal peptides. They contain an N-terminal hexa-Histidine tag that is used for purification on Ni-NTA (Qiagen, Hilden, Germany). The compounds are prepared as 50 mM stocks in DMSO and diluted into buffer P1 (50 mM phosphate, pH 7) to a final concentration of 10% DMSO. All further dilutions are done in P2 (P1 with 10% DMSO). Enzyme and compound dilutions are pre-incubated for 10 min at 37 C. and the reaction is started with the addition of pre-warmed (37 C.) nitrocefin at a final concentration of 50 mM. The change in absorption at 490 nm is followed at 37 C. for 10 min with 30 s intervals. B 7.76 pIC50 17.2 nM IC50 US-9120808-B2. Substituted clavulanic acid (2015)
Beta-lactamase in Pseudomonas aeruginosa (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3885668] [UniProtKB: D2SSQ3]
ChEMBL Inhibition of Pseudomonas aeruginosa 531 beta-lactamase BEL-2 B 5.7 pIC50 2000 nM IC50 Antimicrob Agents Chemother (2010) 54: 533-535 [PMID:19884378]
Beta-lactamase in Citrobacter freundii (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1255130] [UniProtKB: P05193]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Citrobacter freundii 1982 B 6.03 pIC50 930 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase in Enterobacter cloacae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2725] [UniProtKB: P05364]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Ent. cloacae 6300 B 4.07 pIC50 85000 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Inhibition of Enterobacter cloacae AmpC B 4.08 pIC50 84000 nM IC50 J Med Chem (2006) 49: 4623-4637 [PMID:16854068]
ChEMBL In vitro inhibitory activity against Beta-lactamase AmpC of class C enzyme B 4.32 pIC50 48000 nM IC50 J Med Chem (2003) 46: 2569-2571 [PMID:12801220]
ChEMBL Inhibitory activity against class C Beta-lactamase isolated from Enterobacter cloacae B 5.11 pIC50 7700 nM IC50 Bioorg Med Chem Lett (2000) 10: 2179-2182 [PMID:11012024]
ChEMBL Inhibitory activity against beta-Lactamase enzyme derived from Enterobacter cloacae SC 12368 E-2 B 5.4 pIC50 4000 nM IC50 Bioorg Med Chem Lett (1995) 5: 1513-1518
ChEMBL Compound was tested for inhibition of Beta-lactamase from Enterobacter cloacae 908R B 5.72 pIC50 1900 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Inhibition of Enterobacter cloacae AmpC B 5.74 pIC50 1808 nM IC50 J Med Chem (2007) 50: 4113-4121 [PMID:17665896]
ChEMBL Inhibition of Enterobacter cloacae beta-lactamase P99 assessed as nitrocefin hydrolysis after 5 mins enzyme-compound preincubation B 5.89 pIC50 1300 nM IC50 Antimicrob Agents Chemother (2010) 54: 5132-5138 [PMID:20921316]
ChEMBL Inhibitory activity against beta-Lactamase enzyme derived from Enterobacter cloacae P99 B 6.03 pIC50 943 nM IC50 Bioorg Med Chem Lett (1995) 5: 1513-1518
ChEMBL Compound was tested for inhibition of Beta-lactamase from SHV-2 B 6.03 pIC50 930 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase fromOXA-2 F 6.08 pIC50 830 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from PSE-1 B 6.25 pIC50 560 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from RTEM-2 B 6.25 pIC50 560 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from RTEM-1 B 6.38 pIC50 420 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from OXA-1 B 6.62 pIC50 240 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from RTEM-3 B 6.82 pIC50 150 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL In vitro inhibitory activity against Beta-lactamase TEM-1 of class A enzyme B 7 pIC50 100 nM IC50 J Med Chem (2003) 46: 2569-2571 [PMID:12801220]
Beta-lactamase in Morganella morganii (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5764] [UniProtKB: P94958]
ChEMBL Compound was tested for inhibition of beta-Lactamases from Morganell morgani U1627 B 6.72 pIC50 190 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase in S.aureus (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4114] [UniProtKB: P00807]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Staphylococcus aureus PCI B 6.3 pIC50 500 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase in Bacillus licheniformis (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5633] [UniProtKB: P00808]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Bacillus licheniformis 749/C B 6.29 pIC50 510 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase in Pseudomonas luteola (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3308938] [UniProtKB: Q670S6]
ChEMBL Inhibition of Pseudomonas luteola LAM Beta-lactamase LUT-1 B 7.4 pIC50 40 nM IC50 Antimicrob Agents Chemother (2010) 54: 45-51 [PMID:19884377]
Beta-lactamase in Bacillus clausii (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5439] [UniProtKB: A8RR46]
ChEMBL Inhibition of Bacillus clausii NR beta-lactamase BCL1 expressed in Escherichia coli BL21 (DE3) B 8.4 pIC50 4 nM IC50 Antimicrob Agents Chemother (2007) 51: 4009-4014 [PMID:17846134]
Beta-lactamase in Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG12228) (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5031] [UniProtKB: P24735]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Pseudomonas aeruginosa MK-1184 B 4.44 pIC50 36000 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Inhibition of Pseudomonas aeruginosa beta-lactamase AmpC assessed as nitrocefin hydrolysis after 5 mins enzyme-compound preincubation B 5.34 pIC50 4600 nM IC50 Antimicrob Agents Chemother (2010) 54: 5132-5138 [PMID:20921316]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Pseudomonas aeruginosa GN10362 B 5.68 pIC50 2110 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Pseudomonas aeruginosa 18SH B 6.09 pIC50 820 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase AmpC in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2026] [UniProtKB: P00811]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Bacteroides fragilis 98 B 4.01 pIC50 98000 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL In vitro inhibitory activity against Class C (Amp-C) beta-Lactamases B 4.08 pIC50 84000 nM IC50 J Med Chem (2004) 47: 3674-3688 [PMID:15214794]
ChEMBL In vitro inhibitory concentration against AmpC enzyme B 4.32 pIC50 48000 nM IC50 Bioorg Med Chem Lett (2001) 11: 997-1000 [PMID:11327608]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Escherichia coli SN03 B 4.74 pIC50 18000 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
ChEMBL Cell Free Inhibition Assay: The inhibitory concentrations (IC50, [uM]) of the beta -lactamase inhibitors against purified TEM-1, SHV-1 and AmpC beta -lactamases are assessed by determining the concentration of inhibitor at which 50% of the nitrocefin hydrolysis is inhibited by the particular enzyme. Assays are performed with beta -lactamases expressed in the pET system (Novagen, San Diego, Calif.) without signal peptides. They contain an N-terminal hexa-Histidine tag that is used for purification on Ni-NTA (Qiagen, Hilden, Germany). The compounds are prepared as 50 mM stocks in DMSO and diluted into buffer P1 (50 mM phosphate, pH 7) to a final concentration of 10% DMSO. All further dilutions are done in P2 (P1 with 10% DMSO). Enzyme and compound dilutions are pre-incubated for 10 min at 37 C. and the reaction is started with the addition of pre-warmed (37 C.) nitrocefin at a final concentration of 50 mM. The change in absorption at 490 nm is followed at 37 C. for 10 min with 30 s intervals. B 5.74 pIC50 1808.2 nM IC50 US-9120808-B2. Substituted clavulanic acid (2015)
ChEMBL Inhibitory activity against class A TEM-1 beta-lactamase B 6.6 pIC50 250 nM IC50 Bioorg Med Chem Lett (2002) 12: 1663-1666 [PMID:12039585]
Beta-lactamase bla(BEL1) in Pseudomonas aeruginosa (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3885670] [UniProtKB: Q3SAW3]
ChEMBL Inhibition of Pseudomonas aeruginosa 51170 beta-lactamase BEL-1 B 5.7 pIC50 2000 nM IC50 Antimicrob Agents Chemother (2010) 54: 533-535 [PMID:19884378]
Beta-lactamase CTX-M in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL6131] [UniProtKB: Q9EXV5]
ChEMBL Inhibition of Escherichia coli CTX-M-15 B 8.7 pIC50 2 nM IC50 Antimicrob Agents Chemother (2007) 51: 3089-3095 [PMID:17591851]
Beta-lactamase GES-13 in Pseudomonas aeruginosa (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1250341] [UniProtKB: D1MIX9]
ChEMBL Inhibition of Pseudomonas aeruginosa GES-13 beta lactamase B 7.22 pIC50 60 nM IC50 Antimicrob Agents Chemother (2010) 54: 1331-1333 [PMID:20065056]
Beta-lactamase OXA-1 in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4951] [UniProtKB: P13661]
ChEMBL Compound was tested for inhibition of Beta-lactamase from Bacteroides fragilis 36 F 5.32 pIC50 4800 nM IC50 J Med Chem (1996) 39: 3712-3722 [PMID:8809160]
Beta-lactamase SCO-1 in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1075073] [UniProtKB: A1E3K9]
ChEMBL Inhibition of Escherichia coli beta-lactamase SCO1 B 8 pIC50 10 nM IC50 Antimicrob Agents Chemother (2007) 51: 2185-2188 [PMID:17353248]
Beta-lactamase SHV-1 in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5956] [UniProtKB: P0AD63]
ChEMBL Inhibition of Escherichia coli SHV1 B 6.65 pIC50 222 nM IC50 J Med Chem (2007) 50: 4113-4121 [PMID:17665896]
ChEMBL Cell Free Inhibition Assay: The inhibitory concentrations (IC50, [uM]) of the beta -lactamase inhibitors against purified TEM-1, SHV-1 and AmpC beta -lactamases are assessed by determining the concentration of inhibitor at which 50% of the nitrocefin hydrolysis is inhibited by the particular enzyme. Assays are performed with beta -lactamases expressed in the pET system (Novagen, San Diego, Calif.) without signal peptides. They contain an N-terminal hexa-Histidine tag that is used for purification on Ni-NTA (Qiagen, Hilden, Germany). The compounds are prepared as 50 mM stocks in DMSO and diluted into buffer P1 (50 mM phosphate, pH 7) to a final concentration of 10% DMSO. All further dilutions are done in P2 (P1 with 10% DMSO). Enzyme and compound dilutions are pre-incubated for 10 min at 37 C. and the reaction is started with the addition of pre-warmed (37 C.) nitrocefin at a final concentration of 50 mM. The change in absorption at 490 nm is followed at 37 C. for 10 min with 30 s intervals. B 6.65 pIC50 222 nM IC50 US-9120808-B2. Substituted clavulanic acid (2015)
Beta-lactamase SHV-1 in Klebsiella pneumoniae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5094] [UniProtKB: P0AD64]
ChEMBL Inhibition of Klebsiella pneumoniae Beta-Lactamase SHV-1 B 6.96 pIC50 110 nM IC50 Antimicrob Agents Chemother (2008) 52: 1806-1811 [PMID:18316518]
Beta-lactamase SHV-72 in Klebsiella pneumoniae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1255121] [UniProtKB: A0ZX81]
ChEMBL Inhibition of Klebsiella pneumoniae Beta-Lactamase SHV-72 B 7.1 pIC50 80 nM IC50 Antimicrob Agents Chemother (2008) 52: 1806-1811 [PMID:18316518]
Beta-lactamase TEM in Enterobacter cloacae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL3652] [UniProtKB: Q6W9J1]
ChEMBL Inhibitory activity against class A Beta-lactamase TEM isolated from Enterobacter coli B 7.22 pIC50 60 nM IC50 Bioorg Med Chem Lett (2000) 10: 2179-2182 [PMID:11012024]
Beta-lactamase TEM in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL2065] [UniProtKB: P62593]
ChEMBL Inhibition of Escherichia coli DH5alpha beta-lactamase TEM-1 B 6.89 pIC50 130 nM IC50 Antimicrob Agents Chemother (2007) 51: 4181-4183 [PMID:17709463]
ChEMBL Inhibition of Escherichia coli TEM1 B 7 pIC50 100 nM IC50 J Med Chem (2006) 49: 4623-4637 [PMID:16854068]
ChEMBL In vitro inhibitory activity against Class A (TEM-1) beta-Lactamases B 7 pIC50 100 nM IC50 J Med Chem (2004) 47: 3674-3688 [PMID:15214794]
ChEMBL Inhibition of Escherichia coli K12 TEM1 B 7.05 pIC50 90 nM IC50 Antimicrob Agents Chemother (2007) 51: 2185-2188 [PMID:17353248]
ChEMBL In vitro inhibitory concentration against TEM-1 enzyme B 7.22 pIC50 60 nM IC50 Bioorg Med Chem Lett (2001) 11: 997-1000 [PMID:11327608]
ChEMBL Inhibitory activity against beta-Lactamase enzyme derived from Escherichia coli WC3310 TEM-2 B 7.6 pIC50 25 nM IC50 Bioorg Med Chem Lett (1995) 5: 1513-1518
ChEMBL Inhibition of Escherichia coli TEM1 B 7.77 pIC50 17 nM IC50 J Med Chem (2007) 50: 4113-4121 [PMID:17665896]
Beta-lactamase TEM-125 in Escherichia coli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5041] [UniProtKB: Q6GWS8]
ChEMBL Inhibition of Escherichia coli DH5alpha beta-lactamase TEM-158 B 6.62 pIC50 240 nM IC50 Antimicrob Agents Chemother (2007) 51: 4181-4183 [PMID:17709463]
Beta-lactamase type II in Bacteroides fragilis (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL4840] [UniProtKB: P25910]
ChEMBL In vitro inhibitory concentration against CCRA enzyme B 4 pIC50 >100000 nM IC50 Bioorg Med Chem Lett (2001) 11: 997-1000 [PMID:11327608]
Carbapenem-hydrolizing beta-lactamase SFC-1 in Serratia fonticola (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5042] [UniProtKB: Q6JP75]
ChEMBL Inhibition of Serratia fonticola UTAD54 SFC1 beta lactamase expressed in Escherichia coli BL21(DE3) by SDS-PAGE B 5.16 pIC50 6900 nM IC50 Antimicrob Agents Chemother (2007) 51: 4512-4514 [PMID:17875998]
Carbepenem-hydrolyzing beta-lactamase KPC in Klebsiella pneumoniae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL6132] [UniProtKB: Q9F663]
ChEMBL Inhibition of Klebsiella pneumoniae 1534 beta-lactamase KPC-2 by competitive assay B 4.13 pKi 74000 nM Ki Antimicrob Agents Chemother (2010) 54: 2867-2877 [PMID:20421396]
ChEMBL Inhibition of Klebsiella pneumoniae KPC-1 beta lactamase expressed in Escherichia coli DH5alpha by SDS-PAGE B 6.43 pIC50 374 nM IC50 Antimicrob Agents Chemother (2007) 51: 4512-4514 [PMID:17875998]
ChEMBL Inhibition of carbapenem-resistant Klebsiella pneumoniae carbepenem-hydrolyzing beta-lactamase KPC-1 B 6.43 pIC50 370 nM IC50 Antimicrob Agents Chemother (2010) 54: 328-332 [PMID:19901091]
Class D beta-lactamase in Brachyspira pilosicoli (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1255145] [UniProtKB: Q50H31]
ChEMBL Inhibition of Brachyspira pilosicoli beta-lactamase OXA-63 expressed in Escherichia coli BL21 (DE3) assessed as reduction in nitrocefin hydrolysis by spectrophotometry relative to oxacillin B 6.8 pIC50 160 nM IC50 Antimicrob Agents Chemother (2008) 52: 1264-1268 [PMID:18212108]
Extended-spectrum beta-lactamase CTX-M-53 in Salmonella enterica subsp. enterica serovar Westhampton (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1667678] [UniProtKB: Q2XPY6]
ChEMBL Inhibition of Salmonella enterica serotype Westhampton beta-lactamase CTX-M-53 B 8.66 pIC50 2.2 nM IC50 Antimicrob Agents Chemother (2009) 53: 1944-1951 [PMID:19273683]
Gil1 in Citrobacter gillenii (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1075063] [UniProtKB: A4KCT8]
ChEMBL Inhibition of Citrobacter gillenii CIP 106783 Beta-lactamase GIL1 expressed in Escherichia coli DH10B B 7.4 pIC50 40 nM IC50 Antimicrob Agents Chemother (2007) 51: 1365-1372 [PMID:17242148]
IMI-1 in Enterobacter cloacae (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5219] [UniProtKB: Q46991]
ChEMBL In vitro inhibitory activity against Class A (Imi-1) beta-Lactamases B 7.52 pIC50 30 nM IC50 J Med Chem (2004) 47: 3674-3688 [PMID:15214794]
ChEMBL Inhibition of Enterobacter cloacae IMI1 beta lactamase expressed in Escherichia coli DH5alpha by SDS-PAGE B 7.52 pIC50 30 nM IC50 Antimicrob Agents Chemother (2007) 51: 4512-4514 [PMID:17875998]
PenB class A beta-lactamase in Burkholderia cenocepacia (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL1641339] [UniProtKB: B8R6A5]
ChEMBL Inhibition of Burkholderia cenocepacia 07-34 beta-lactamase PenB1 B 6.3 pIC50 500 nM IC50 Antimicrob Agents Chemother (2009) 53: 876-882 [PMID:19075063]
PER-2 beta-lactamase in Citrobacter freundii (target type: SINGLE PROTEIN) [ChEMBL: CHEMBL5303] [UniProtKB: A2RP81]
ChEMBL Inhibition of Citrobacter freundii PER2 beta lactamase B 7.02 pIC50 96 nM IC50 Antimicrob Agents Chemother (2007) 51: 2359-2365 [PMID:17438050]

ChEMBL data shown on this page come from version 33:

Mendez D, Gaulton A, Bento AP, Chambers J, De Veij M, Félix E, Magariños MP, Mosquera JF, Mutowo P, Nowotka M, Gordillo-Marañón M, Hunter F, Junco L, Mugumbate G, Rodriguez-Lopez M, Atkinson F, Bosc N, Radoux CJ, Segura-Cabrera A, Hersey A, Leach AR. (2019) 'ChEMBL: towards direct deposition of bioassay data' Nucleic Acids Res., 47(D1). DOI: 10.1093/nar/gky1075. [EPMCID:30398643]
Davies M, Nowotka M, Papadatos G, Dedman N, Gaulton A, Atkinson F, Bellis L, Overington JP. (2015) 'ChEMBL web services: streamlining access to drug discovery data and utilities.' Nucleic Acids Res., 43(W1). DOI: 10.1093/nar/gkv352. [EPMCID:25883136]