TROAP encodes the human gene, Trophinin associated protein. It may also be known as: Tastin; Trophinin-associated protein; Trophinin-assisting protein. The encoded protein has an amino acid length of 778 and a mass of 83.9 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog.