IFN-alpha is an alias for the gene, Interferon, alpha 1, in humans. Other names include: Interferon alpha-1/13; IFN-alpha-1/13; Interferon alpha-D; LeIF D; IFN-alpha 1b; interferon alpha 1b; IFL; IFN; IFN-ALPHA; IFN-alphaD; IFNA@. The encoded protein has an amino acid length of 189 and a mass of 21.7 kDa. IFN-alpha is a member of the Alpha/beta interferon family. This gene shares homology with other species, including: Zebrafish.