a 2-acyl-6-alpha-D-glucosaminyl-1-(1,2-diacyl-sn-glycero-3-phospho)-1D-myo-inositol + a 1-radyl-2-acyl-sn-glycerolipid = a 2-acyl-6-alpha-D-glucosaminyl-1-(1-radyl,2-acyl-sn-glycero-3-phospho)-1D-myo-inositol + a 1,2-diacyl-sn-glycerolipid — reaction