DBY is an alias for the gene, DEAD-box helicase 3, Y-linked, in humans. Other names include: ATP-dependent RNA helicase DDX3Y; DEAD box protein 3, Y-chromosomal; ATP-dependent RNA helicase DDX3Y ; DEAD (Asp-Glu-Ala-Asp) box helicase 3, Y-linked. The encoded protein is an enzyme with an amino acid length of 660 and a mass of 73.2 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat.