Maltose phosphorylase (MP) is a dimeric enzyme that catalyzes maltose and inorganic phosphate into β-D-glucose-1-phosphate and glucose.
MP, Recombinant (E. coli)
Enzyme Commission Number
> 10 U/mg lyophilizate
α-amylase < 5.0 x 10^-3% α-glucosidase < 5.0 x 10^-2% NADPH oxidase < 5.0 x 10^-2%
ca. 220 kDa
1.9 x 10^-3 M (maltose) 3.4 x 10^-3 M (phosphate) 8.3 x 10^-3 M (arsenate)
2 subunits of 90 kDa (SDS-PAGE)
One unit (U) is defined as the amount of enzyme which produces 1 μmol of D-glucose per min at 30°C and pH 7.0.
Stability (liquid form) stable at 37°C for at least one week Stability (powder form) stable at 30°C for at least four weeks
Hg2+, Ag+, Zn2+, Cu2+
maltose phosphorylase; maltose:phosphate 1-β-D-glucosyltransferase; EC 22.214.171.124; 9030-19-7; MP