Dbr1 is a symbol for the gene, Debranching RNA lariats 1, in humans. Other names include: Lariat debranching enzyme; Lariat debranching enzyme . The encoded protein is an enzyme with an amino acid length of 544 and a mass of 61.6 kDa. Other isoforms may exist. Dbr1 is a member of the Lariat debranching enzyme family. This gene shares homology with other species, including: Mouse, Yeast, Rat, Arabidopsis, Zebrafish, Frog, Chicken.