label: 6-(alpha-D-glucosaminyl)-1D-myo-inositol + a 1,2-diacyl-sn-glycero-3-phosphate + H(+) => an alpha-D-GlcN-(1->6)-(1,2-diacyl-sn-glycero-3-phospho)-1D-myo-inositol + H2O
label_lc: 6-(alpha-d-glucosaminyl)-1d-myo-inositol + a 1,2-diacyl-sn-glycero-3-phosphate + h(+) => an alpha-d-glcn-(1->6)-(1,2-diacyl-sn-glycero-3-phospho)-1d-myo-inositol + h2o