3.1.3.100 4-nitrophenyl phosphate + H2O 100% activity 4-nitrophenol + phosphate - ? 73771 3.1.3.100 FMN + H2O 73% activity compared to 4-nitrophenyl phosphate ? - ? 93350 3.1.3.100 L-phosphotyrosine + H2O 32% activity compared to 4-nitrophenyl phosphate phosphate + L-tyrosine - ? 447669 3.1.3.100 additional information less than 1% activity with pyridoxal 5'-phosphate, beta-glycerophosphate, D-glucose 6-phosphate, D-fructose 1,6-diphosphate, inosine 5'-monophosphate, or adenosine 5'-monophosphate ? - ? 89 3.1.3.100 thiamine + phosphate - thiamine phosphate + H2O - ? 434819 3.1.3.100 thiamine diphosphate + H2O preferred substrate thiamine phosphate + phosphate - ? 434820 3.1.3.100 thiamine phosphate + H2O - thiamine + phosphate - ? 418098 3.1.3.100 thiamine phosphate + H2O 18% activity compared to 4-nitrophenyl phosphate thiamine + phosphate - ? 418098