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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC

Accepted Name
N-acetylglucosaminylphosphatidylinositol deacetylase.
Alternative Name(s)
Acetylglucosaminylphosphatidylinositol deacetylase.
GlcNAc-PI de-N-acetylase.
GlcNAc-PI deacetylase.
N-acetyl-D-glucosaminylphosphatidylinositol acetylhydrolase.
N-acetylglucosaminylphosphatidylinositol de-N-acetylase.
Reaction catalysed
6-(N-acetyl-alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + H(2)O <=> 6-(alpha-D-glucosaminyl)-1-phosphatidyl-1D-myo-inositol + acetate
  • 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 Saccharomyces cerevisiae).
  • 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.
  • Formerly EC
PRIAM enzyme-specific profiles3.5.1.89
KEGG Ligand Database for Enzyme Nomenclature3.5.1.89
IUBMB Enzyme Nomenclature3.5.1.89
MEDLINEFind literature relating to
D4B4K9, GPI12_ARTBC;  Q9HDW9, GPI12_SCHPO;  P23797, GPI12_YEAST;  
Q5SX19, PIGL_MOUSE;  O35790, PIGL_RAT;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.5.1.-
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