Has both phosphomonoesterase and phosphodiesterase activity. Cleaves a broad range of phosphate esters. a phosphate monoester + H2O = an alcohol + phosphate Inhibited by NaF, molybdate and vanadate. Optimum pH is 4-6. Active from pH 3 to 7. Repressed by phosphate. The GPI-like anchor contains a phosphoceramide lipid group. The anchor position has not been determined.