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EC 3.5.1.89 Details
EC number
3.5.1.89
Accepted name
N-acetylglucosaminylphosphatidylinositol deacetylase
Reaction
6-(N-acetyl-α-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + H2O = 6-(α-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + acetate
Other name(s)
N-acetyl-D-glucosaminylphosphatidylinositol acetylhydrolase, N-acetylglucosaminylphosphatidylinositol de-N-acetylase, GlcNAc-PI de-N-acetylase, GlcNAc-PI deacetylase, acetylglucosaminylphosphatidylinositol deacetylase
Systematic name
6-(N-acetyl-α-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol acetylhydrolase
CAS registry number
122191-30-4
Comment
Involved in the second step of glycosylphosphatidylinositol (GPI) anchor formation in all eukaryotes. The enzyme appears to be composed of a single subunit (PIG-L in mammalian cells and GPI12 in yeast). In some species, the long-chain sn-1-acyl group of the phosphatidyl group is replaced by a long-chain alkyl or alk-1-enyl group.
History
created 1992 as EC 3.1.1.69, transferred 2002 to EC 3.5.1.89, modified 2002
EC Tree
3.5.1.34 created 1972, deleted 1981
3.5.1.37 created 1972, deleted 1976
3.5.1.45 created 1978, deleted 1986
3.5.1.80 created 1999, deleted 2002