CNIH3 is a symbol for the gene, Cornichon family AMPA receptor auxiliary protein 3, in humans. Other names include: Protein cornichon homolog 3; CNIH-3. The encoded protein has an amino acid length of 160 and a mass of 19.0 kDa. Other isoforms may exist. CNIH3 is a member of the Cornichon family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.