TABLE 2

Alkaline phosphatase-specific activity of rIALP and RIMS

Data are reported as the mean of triplicates (CV < 10%).

PreparationProtein Conc.ALP-Specific ActivityALP-Specific Activity
mg/mlIU/mlaIU/mg
Monkey-rIALP0.67203303
Rat-rIALP1.12206183.9
RIMS13.935.210.37
  • rIALP, recombinant intestinal alkaline phosphatase; RIMS, rat intestinal mucosal scraps.

  • a IU = 1 µmole of PNNP metabolized per minute at 37°C, pH 9.8.