AC3 is an alias for the gene, Adenylate cyclase 3, in humans. Other names include: Adenylate cyclase type 3; ATP pyrophosphate-lyase 3; Adenylate cyclase type III; AC-III; Adenylate cyclase, olfactive type; Adenylyl cyclase 3; Adenylate cyclase type 3 . The encoded protein is an enzyme with an amino acid length of 1144 and a mass of 129.0 kDa. Other isoforms may exist. AC3 is a member of the Adenylyl cyclase class-4/guanylyl cyclase family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Chicken.