ID 3.5.1.89 DE N-acetylglucosaminylphosphatidylinositol deacetylase. AN acetylglucosaminylphosphatidylinositol deacetylase. AN GlcNAc-PI deacetylase. AN GlcNAc-PI de-N-acetylase. AN N-acetyl-D-glucosaminylphosphatidylinositol acetylhydrolase. AN N-acetylglucosaminylphosphatidylinositol de-N-acetylase. CA a 6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + CA H2O = acetate + an alpha-D-GlcN-(1->6)-(1,2-diacyl-sn-glycero-3-phospho)- CA 1D-myo-inositol. CC -!- Involved in the second step of glycosylphosphatidylinositol (GPI) CC anchor formation in all eukaryotes. CC -!- The enzyme appears to be composed of a single subunit (PIG-L in CC mammalian cells and GPI12 in Saccharomyces cerevisiae). CC -!- In some species, the long-chain sn-1-acyl group of the phosphatidyl CC group is replaced by a long-chain alkyl or alk-1-enyl group. CC -!- Formerly EC 3.1.1.69. DR D4B4K9, GPI12_ARTBC; Q9HDW9, GPI12_SCHPO; P23797, GPI12_YEAST; DR A6QQ24, PIGL_BOVIN ; Q54C64, PIGL_DICDI ; Q9Y2B2, PIGL_HUMAN ; DR Q5SX19, PIGL_MOUSE ; O35790, PIGL_RAT ; //