N-acetylglucosaminylphosphatidylinositol deacetylase MEAMWLLCVA LAVLAWGFLW VWDSSERMKS REQGGRLGAE SRTLLVIAHP DDEAMFFAPT VLGLARLRHW VYLLCFSAGN YYNQGETRKK ELLQSCDVLG IPLSSVMIID NRLSYLRLMC LSEAQGPQQH TPVSQSSDYS SLGMG