TABLE 3.

Effects of nonradioactive sugars, present at a 1,000-fold excess, on the uptake of [¹⁴C]methyl α-glucoside into E. coli RE707 bearing the plasmid-encoded glcP gene

Sugar	Residual methyl α-glucoside uptake (%)a
No addition	100
Glucose	2
2-Deoxyglucose	2
Mannose	2
Sucrose	5
Lactose	10
N-Acetylglucosamine	18
Fructose	18
Glucitol	20
Mannitol	33

^aThe accumulation of 50 μM [¹⁴C]methyl α-glucoside was assayed after a 10-min incubation period in the presence of a 50 mM concentration of the cold sugar indicated as described in Materials and Methods.