You can find more information about RNA polymerase using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PFC10_API0017 PFC10_API0017 RNA polymerase D (rpoD) PlasmoDB TDR
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System