Table 2.

Uptake of GUS and PerT-GUS by J774E macrophage line

EnzymeUptake, units/mg in 1 h
−Mannan+Yeast mannan, 1.69 mg/mlMannan-specific
GUS36650316
PerT-GUS prep 1853
PerT-GUS prep 21192
PerT-GUS prep 312210