Application liberates mannose from a variety of synthetic and natural α-mannosides.
Unit Definition: One unit will hydrolyze 1.0 μmole of p-nitrophenyl α-D-mannoside to p-nitrophenol and D-mannose per minute at pH 4.5 at 25°C.
Physical Form: Suspension in 3.0 M (NH4)2SO4 and 0.1 mM zinc acetate, pH 7.5