Dbx1 is a symbol for the gene, Developing brain homeobox 1, in humans. Other names include: Homeobox protein DBX1; Developing brain homeobox protein 1. The encoded protein has an amino acid length of 343 and a mass of 37.3 kDa. Other isoforms may exist. Dbx1 is a member of the H2.0 homeobox family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.