Table 1.

K _m and V _max values for d-glucose and d-xylose uptake by various Hxt36 transporters expressed in the Hxt deletion strain DS68625 grown on maltose

	K m (mM)		V max (nmol/mg DW.min)
	Glucose	Xylose	Glucose	Xylose
Hxt36	4.7 ± 2.5	71.8 ± 3.6	56.4 ± 11.5	48.1 ± 8.0
Hxt36-3K	2.6 ± 0.2	58.6 ± 1.3	58.0 ± 2.4	42.4 ± 1.1
Hxt36 N367A	165.7 ± 28.6	32.8 ± 11.5	116.4 ± 14.4	25.4 ± 5.1
Hxt36 N367A-3K	197.7 ± 14.6	34.2 ± 14.3	124.3 ± 10.2	26.7 ± 4.3
Hxt1a Hxt11	33.4 ± 2.1	84.2 ± 10.0	156.4 ± 7.6	84.6 ± 2.4
N366Ta	194.4 ± 47.9	46.7 ± 2.7	238.6 ± 7.4	76.2 ± 4.8

Errors are the standard deviation of two independent experiments

^aFrom Ref. [34]