Table III.

Specificity of the AgSUT1 Suc carrier

Carrier	Absorption
	%
None	100
5 mm Suc	65.4 ± 0.4
5 mm Mannitol	90.0 ± 1.2
5 mm Maltose	81.6 ± 1.2
5 mm Raffinose	74.7 ± 1.6
2 mm α-Phenylglucoside	32.0 ± 1.1

Sugars were added 30 s prior to labeled Suc. All transport tests were performed at 250 μm Suc, pH 4.5, and incubation time was 3 min. The results are the means ± sd of three independent experiments (three replicates per experiment).