TABLE 2.

Transport kinetic data

ProteinGlucoseFructose
Km (mM)Vmax (nmol min−1 mg [dry wt]−1)Km (mM)Vmax (nmol min−1 mg [dry wt]−1)
Hxt3-V528 ± 6210 ± 30116 ± 21273 ±40
Hxt3-Fmp29 ± 7184 ±30123 ± 22242 ± 50