TTYH2 is a symbol for the gene, Tweety family member 2, in humans. Other names include: Protein tweety homolog 2; hTTY2; C17orf29. The encoded protein has an amino acid length of 534 and a mass of 58.8 kDa. TTYH2 is a member of the Tweety family. This gene shares homology with other species, including: Mouse, Fly, Rat, Zebrafish, Frog, Chicken.