TABLE 1.

Kinetic constants for TPS6-B73 heterologously expressed in E. coli

Km				Vmax relative
FPPa	GPPa	Mg2+b	Mn2+b	FPP/GPP	Mg2+/Mn2+
2.1 μm	1.1 μm	130.7 μm	23.4 μm	100:14	100:100

^aValues for FPP and GPP were measured in the presence of 10 mm Mg²⁺ and 0.05 mm Mn²⁺.

^bValues for Mg²⁺ and Mn²⁺ were measured with 10 μm FPP.