Table 4.

Log kill values of different efflux pump KO mutants in the presence and absence of efflux inhibitors

Strain	Log kill value (log10 CFU/ml)a
	Pyrrole AZI-533	AZI-533 + PAβN	Pyrazolone AZI-219	AZI-219 + verapamil
WT Mtuc	0.6	1.7	0	1.4
KO1	1	1.3	0	0.9
KO5	1.9	1.6	3.5	>3.5b
KO6	0.8	1.2	0	1.8
KO7	2.1	2.4	0.6	3.1

^aLog kill values for WT M. tuberculosis and the different efflux pump KO mutants at the highest concentration of the compounds tested.

^bBelow the LOQ (limit of quantification).

^cM. tuberculosis.