the structure of the glycan portion of the human erythrocyte acetylcholinesterase membrane anchor appears to be similar to that described for trypanosome brucei variant surface glycoprotein mitat 1.4 ( variant 117 ) ( ferguson , m.a.j. , homans , s.w. , dwek , r.a. , and rademacher , t.w . ( 1988 ) science 239 , 753-759 ) except for the absence of a galactose antenna and the presence of a phosphorylethanolamine on the hexose adjacent to glucosamine .
C0016945
galactose
C0019494
hexose