Influenza virus NS1A binding protein, or, IVNS1ABP, is a human gene. Other names include: Influenza virus NS1A-binding protein; NS1-BP; NS1-binding protein; Aryl hydrocarbon receptor-associated protein 3; kelch-like family member 39; FLARA3; HSPC068; KLHL39; NS-1; NS1BP. The encoded protein has an amino acid length of 642 and a mass of 71.7 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.