The function of Ensembl gene identifier ENSG00000087111 (PIGS, phosphatidylinositol glycan anchor biosynthesis class S) is as follows. Component of the glycosylphosphatidylinositol-anchor (GPI- anchor) transamidase (GPI-T) complex that catalyzes the formation of the linkage between a proprotein and a GPI-anchor and participates in GPI anchored protein biosynthesis. {ECO:0000269|PubMed:11483512, ECO:0000269|PubMed:30269814, ECO:0000269|PubMed:34576938, ECO:0000269|PubMed:35165458, ECO:0000269|PubMed:35551457, ECO:0000269|PubMed:37684232}.