You can find more information about threonine--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_1126000 PF11_0270 threonine--tRNA ligase PlasmoDB TDR
Borrelidin
Bufexamac
Chloroquine
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System