NCIt definition : Human TTC7A wild-type allele is located in the vicinity of 2p21 and is approximately
160 kb in length. This allele, which encodes tetratricopeptide repeat protein 7A,
plays a role in phosphatidylinositol 4-phosphate synthesis. Mutation of the gene is
associated with gastrointestinal defects and immunodeficiency syndrome (GIDID).;