TTPA encodes the human gene, Tocopherol (alpha) transfer protein. It may also be known as: Alpha-tocopherol transfer protein; Alpha-TTP; ATTP; AVED; TTP1; alphaTTP. The encoded protein has an amino acid length of 278 and a mass of 31.8 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.