ID 3.1.3.41 DE 4-nitrophenylphosphatase. CA 4-nitrophenyl phosphate + H2O = 4-nitrophenol + H(+) + phosphate. CC -!- A number of other substances, including phenyl phosphate, CC 4-nitrophenyl sulfate, acetyl phosphate and glycerol phosphate, CC are not substrates. DR Q00472, PNPP_SCHPO ; P19881, PNPP_YEAST ; //