TABLE 1.

Activities of enzymes involved in dTDP-l-rhamnose biosynthesis with crude extracts from different A. thermoaerophilus strains and E. coli B

Strain	Enzyme activities (mU/mg of protein)
	RmlA	RmlB	RmlC	RmlD
E. coli B	27.4	5.65	2.33	0.42
A. thermoaerophilus DSM 10155	8.6	4.76	4.95	2.54
A. thermoaerophilus L420-91T	2.0	0.61	NDa	ND

^aND, not detectable.