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

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1360700 MAL13P1.302 E3 SUMO-protein ligase PIAS, putative PlasmoDB TDR
PF3D7_1451300 PF14_0488 E3 SUMO-protein ligase NSE2, putative PlasmoDB TDR
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System