Table 6.

Transmembrane regions of AcrA, AcrB, and TolC of the Escherichia coli isolates.

Proteins	From	To	Length	Orientation
AcrA	−	−	−	−
AcrB	119	137	19	i-o
	145	163	19	o-i
	213	235	23	i-o
TolC	114	138	25	o-i

Abbreviations: i-o, inner to outer; o-i, outer to inner.