You can find more information about PDEg using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1321600 MAL13P1.119 cGMP-specific 3',5'-cyclic phosphodiesterase gamma, putative PlasmoDB TDR
Tadalafil
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System