ARRDC4 is a symbol for the gene, Arrestin domain containing 4, in humans. Other names include: Arrestin domain-containing protein 4. The encoded protein has an amino acid length of 418 and a mass of 45.5 kDa. ARRDC4 is a member of the Arrestin family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.