You can find more information about 4-nitrophenylphosphatase using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_0715000 PF07_0059 4-nitrophenylphosphatase PlasmoDB TDR
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System