TABLE 2.

Activity of S. aureus def homolog products in E. coli^a

Host E. coli strain	Arabinose in medium	Assay	E. coli harboring:
			Vector alone	defA	defB
BL21(DE3) (pLysS)	NAb	Deformylase activity	1	1	1,600
VECO2068	0.2%	MIC (μg/ml) of actinonin	2	2	16
	None	Growth	−c	−	+d

^aEnzyme activities were normalized to that of E. coli harboring vector alone. 

^bNA, not applicable. 

^c−, no visible growth. 

^d+, growth.