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. 2006 Feb;50(2):556–564. doi: 10.1128/AAC.50.2.556-564.2006

TABLE 2.

Inhibitory activities of 3,5-dioxopyrazolidines against peptidoglycan-synthetic enzymes

Compound IC50 (μM) against:
E. coli MurA E. coli MurB S. aureus MurB E. coli MurC E. coli MurD E. coli MurE E. coli MurE-F
1 21.6 4.1 4.3 >50 >50 >50 >50
2 6.8 5.3 10.3 36.0 >50 >50 >50
3 29.4 6.8 5.1 >50 >50 >50 >50
4 >50 35.0 24.5 29.2 >50 >50 >50
Fosfomycin 35.0 >300 >300 >300 >300 >300 >300