Aox1 encodes the human gene, Aldehyde oxidase 1. It may also be known as: Aldehyde oxidase; Azaheterocycle hydroxylase; Aldehyde oxidase ; AO; AOH1. The encoded protein is an enzyme with an amino acid length of 1338 and a mass of 147.9 kDa. Other isoforms may exist. Aox1 is a member of the Xanthine dehydrogenase family. Homologs of this gene exist in other organisms, including: Fly, Mouse, Rat, Zebrafish, Frog, Chicken.