TTPAL is a symbol for the gene, Tocopherol (alpha) transfer protein-like, in humans. Other names include: Alpha-tocopherol transfer protein-like; C20orf121. The encoded protein has an amino acid length of 342 and a mass of 38.5 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.