ID 3.6.1.9 DE Nucleotide diphosphatase. AN Nucleotide pyrophosphatase. CA A dinucleotide + H(2)O = 2 mononucleotides. CC -!- Substrates include NAD(+), NADP(+), FAD, CoA and also ATP and ADP. DR P22413, ENPP1_HUMAN; P06802, ENPP1_MOUSE; Q924C3, ENPP1_RAT ; DR P15396, ENPP3_BOVIN; O14638, ENPP3_HUMAN; Q6DYE8, ENPP3_MOUSE; DR Q5R5M5, ENPP3_PONAB; P97675, ENPP3_RAT ; P25353, NPP1_YEAST ; DR P39997, NPP2_YEAST ; //