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Volumn 17, Issue 7, 2007, Pages 2047-2054

Diazenedicarboxamides as inhibitors of d-alanine-d-alanine ligase (Ddl)

Author keywords

Antibacterials; d Alanine ligase; Inhibitors

Indexed keywords

AMIDE; CYCLOSERINE; DEXTRO ALANINE DEXTRO ALANINE LIGASE;

EID: 33847775590     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2007.01.015     Document Type: Article
Times cited : (40)

References (42)
  • 2
    • 0003607510 scopus 로고
    • Ghuysen J.-M., and Hakenbeck R. (Eds), Elsevier Science B.V., Amsterdam
    • Labischinski H., and Maidhof H. In: Ghuysen J.-M., and Hakenbeck R. (Eds). Bacterial Cell Wall (1994), Elsevier Science B.V., Amsterdam 23
    • (1994) Bacterial Cell Wall , pp. 23
    • Labischinski, H.1    Maidhof, H.2
  • 21
    • 33847774464 scopus 로고    scopus 로고
    • note
    • 3 (241.22): C, 49.79; H, 5.01; N, 17.42. Found: C, 49.72; H, 4.99; N 17.69.
  • 22
    • 33847795578 scopus 로고    scopus 로고
    • note
    • 3 (235.67): C, 40.77; H, 5.99; N, 17.83. Found: C, 40.78; H, 6.09; N 17.64.
  • 24
    • 33847782967 scopus 로고    scopus 로고
    • note
    • 2 (317.73): C, 52.92; H, 3.81; N, 22.04. Found: C, 53.14; H, 3.88; N, 21.72.
  • 25
    • 33847780671 scopus 로고    scopus 로고
    • note
    • 2.frac(1, 4)MeOH: C, 52.22; H, 4.61; N, 21.37. Found: C, 52.15; H, 4.61; N, 21.50.
  • 35
    • 33847786025 scopus 로고    scopus 로고
    • note
    • ® reagent was added. After 5 min, absorbance was read at 650 nm. Residual activity was calculated with respect to a similar assay without inhibitor. To exclude possible non-specific (promiscuous) inhibitors, representative compounds 3c, 4c, 6aD, 6bD, 6cC, 6cD, 6eD, 6fD, 6iA, and 6jD were tested also in the presence of Tween (0.003%), Triton X-114 (0.005%), and SDS (420 μM), as described by McGovern, S. L. et al. J. Med. Chem. 2003, 46, 4265, and Ryan, A. J. et al. J. Med. Chem. 2003, 46, 3448. No significant differences were found when compared to measurements without detergents.
  • 37
    • 33847769636 scopus 로고    scopus 로고
    • note
    • 6 cells per mL for S. aureus. The antimicrobial agents were prepared in a 2-fold dilution series in 50% dimethyl sulfoxide (Sigma-Aldrich, Dorset, UK). Microwell plates with 96 wells (Nunc, Fisher Scientific, Loughborough, UK) containing the antimicrobial agent and bacterial suspension were incubated for 16 h at 37 °C in a Spectramax 384 plus microwell plate reader (Molecular Devices, Abingdon, UK), running SOFTmax PRO 3.1.1 software. Optical density readings (600 nm) were taken at 10 min intervals. Plates were shaken for 30 s before each reading. The MIC was taken as the lowest concentration of antimicrobial agent that prevented growth.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.