TABLE 1.

Incorporation of [¹⁴C]IPP into allylic diphosphates catalyzed by cytosol or membrane fractions prepared from M. tuberculosis or M. smegmatis in the presence of various allylic diphosphate primers^a

Allylic primer	Incorporation (pmol/mg/min) with:
	M. tuberculosis		M. smegmatis
	Cytosol	Membranes	Cytosol	Membranes
None	0	0	0	0
DMAPP	4.0	0.6	45	15
GPP	25.4	32.2	215	188
ω,E,E-FPP	5.8	5.7	72	160
ω,E,E,E-GGPP	0.4	1.3	25	98

^aReaction mixtures were as described in Materials and Methods.