You can find more information about GPI mannosyltransferase I using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1210900 PFL0540w GPI mannosyltransferase I PlasmoDB TDR
Mannosamine
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System