Table I.

Uptake of 1 mm¹⁴C-labeled Suc in the absence or presence of various compounds by yeast cells (CKY-Am1s) expressing AmSUT1

Shown are mean values of n = 3 to 4 independent measurements ± sd.

Compound Added	Residual Transport Rate
	%
None	100
10 mm Maltose	45 ± 9
10 mm Raffinose	99 ± 3
10 mm Stachyose	96 ± 10
50 μmm-Chlorophenyl hydrazone (CCCP)	12 ± 6
25 μm PCMBS	81 ± 11
50 μm PCMBS	51 ± 7
100 μm PCMBS	19 ± 5
250 μm PCMBS	7 ± 1