Immunogen sequence: EFIQGEALDP KHVCNPAIFR LIARQLAKIH AIHAHNGWIP KSNLWLKMGK YFSLIPTGFA DEDINKRFLS DIPSSQILQE EMTWMKEILS NLGSPVVLCH NDLLCKNIIY NE. Ethanolamine kinase 1 (EKI1), functions in the first committed step of the phosphatidylethanolamine synthesis