Bradykinin Receptor B1, or, BDKRB1, is a human gene. Other names include: B1 bradykinin receptor; B1R; BK-1 receptor; B1BKR; BKB1R; BKR1; BRADYB1. The encoded protein has an amino acid length of 353 and a mass of 40.5 kDa. Other isoforms may exist. Bradykinin Receptor B1 is a member of the G-protein coupled receptor 1 family, Bradykinin receptor subfamily, BDKRB1 sub-subfamily. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Chicken.