You can find more information about serine/threonine protein kinase, putative using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1148000 PF11_0488 serine/threonine protein kinase, putative PlasmoDB TDR
In silico prediction of protein targets of antimalarial compounds, suggested target
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System