You can find more information about Hrd1/Der3 using the following links:

PFID PFID Old Formal Annotation PlasmoDB TDR Targets Subcellular Localization Affecting Drugs
Drug Name PubMed Articles (year of publication)
PF3D7_1422500 PF14_0215 ERAD-associated E3 ubiquitin-protein ligase HRD1 PlasmoDB TDR
Eeyarestatin i
Mg-132
Expasy - NiceZime View
Brenda - The Comprehensive Enzyme Information System