Table 3.

MIC values (µg/mL) of BW25113 and BW25113∆acrB strains containing the indicated plasmid encoding AcrB mutants defective in substrate binding.

Substrate	NOV	ERY	TPP	EtBr	R6G	NA
BW25113∆acrB containing
/	4	4	4	8	8	1
WT	128	64	256	128	256	4
F610A	8	8	64	32	128	ND
F178A	64	8	128	128	256	ND
I278A	32	32	128	128	128	ND
BW25113 containing
/	256	64	1024	512	1024	4
WT	512	128	1024	512	1024	4
F610A	512	64	1024	512	1024	2
F178A	512	64	1024	512	1024	4
I278A	512	64	1024	512	1024	4