PIG-F is involved in glycosylphosphatidylinositol (GPI) anchor biosynthesis [1-3].

1: Enzymes and auxiliary factors for GPI lipid anchor biosynthesis and post-translational transfer to proteins. Eisenhaber B, Maurer-Stroh S, Novatchkova M, Schneider G, Eisenhaber F; Bioessays 2003;25:367-385. PMID:12655644

2: Glycosylphosphatidylinositol (GPI)-anchored proteins. Ikezawa H; Biol Pharm Bull 2002;25:409-417. PMID:11995915

3: Requirement of PIG-F and PIG-O for transferring phosphoethanolamine to the third mannose in glycosylphosphatidylinositol. Hong Y, Maeda Y, Watanabe R, Inoue N, Ohishi K, Kinoshita T; J Biol Chem 2000;275:20911-20919. PMID:10781593