You can find more information about Arg-tRNA ligase using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_0913900 PFI0680c arginine--tRNA ligase, putative PlasmoDB TDR
PF3D7_1218600 PFL0900c arginine-tRNA ligase; arginyl-tRNA synthetase PlasmoDB TDR
Metabolic network of knock-out strains in silico, suggested target
Protoporphyrin ix
Topology of the metabolic network, suggested target
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System