BRAT1 is a symbol for the gene, BRCA1-associated ATM activator 1, in humans. Other names include: BRCA1-associated protein required for ATM activation protein 1; BAAT1; C7orf27; RMFSL. The encoded protein has an amino acid length of 821 and a mass of 88.1 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.