SSAO is an alias for the gene, Amine oxidase, copper containing 3, in humans. Other names include: Membrane primary amine oxidase; Copper amine oxidase; HPAO; Vascular adhesion protein 1; VAP-1; Membrane primary amine oxidase ; VAP1. The encoded protein is an enzyme with an amino acid length of 763 and a mass of 84.6 kDa. Other isoforms may exist. SSAO is a member of the Copper/topaquinone oxidase family. This gene shares homology with other species, including: Mouse, Rat.