catalytic activity:6-(N-acetyl-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + H(2)O = 6-(alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + acetate.,function:Involved in the second step of GPI biosynthesis. De-N-acetylation of N-acetylglucosaminyl-phosphatidylinositol.,pathway:Glycolipid biosynthesis; glycosylphosphatidylinositol-anchor biosynthesis.,similarity:Belongs to the PIGL family.,
Endoplasmic reticulum membrane ; Single-pass membrane protein .