TABLE 2.

In vitro substrate specificity of E. coli Rim and YhhY acetyltransferases

Substrate	Sp acta (μmol/mg/min)
	RimI	RimJ	RimL	YhhY
DSA	0	0	2.39	0
ESA	0	0	1.54	0
LSA	0	0	2.11	28
ISA	ND	ND	2.5	17
Albomycin	0	0	0	ND

^aAmount of product in the presence of 1 mM acetyl-CoA and 0.5 to 10 mM substrates (see Materials and Methods); ND, not determined.