Anti-PGAP1 antibodies are used in the immunodetection of the protein post-GPI attachment to proteins inositol deacylase 1. In humans, the canonical protein has a reported length of 922 amino acid residues and a mass of 105.4 kDa. Its subcellular localization is in the ER. Up to 4 different isoforms have been reported for this protein. A member of the GPI inositol-deacylase protein family, PGAP1 is known to be involved in inositol deacylation of GPI-anchored proteins. Post-translational modifications have been described, including glycosylation. The PGAP1 gene has been associated with the disease, Neurodevelopmental disorder with dysmorphic features, spasticity, and brain abnormalities. Synonyms for this target antigen include post-GPI attachment to proteins 1, post-GPI attachment to proteins factor 1, and GPI inositol-deacylase. PGAP1 gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species. Some PGAP1 antibodies may have been used in research and have associated citations. ELISA and Western Blot are common applications for these antibodies.