BDNF encodes the human gene, Brain Derived Neurotrophic Factor. Other names include: Abrineurin; neurotrophin; ANON2; BULN2. The encoded protein has an amino acid length of 247 and a mass of 27.8 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Rat, Zebrafish, Frog, Chicken.