You can find more information about release factor using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_0704900 MAL7P1.20 peptide chain release factor 2 PlasmoDB TDR
PF3D7_1117600 PF11_0182 peptidyl-tRNA hydrolase ICT1, putative PlasmoDB TDR
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System