PIK3AP1 encodes the human gene, Phosphoinositide-3-kinase adaptor protein 1. It may also be known as: Phosphoinositide 3-kinase adapter protein 1; B-cell adapter for phosphoinositide 3-kinase; B-cell phosphoinositide 3-kinase adapter protein 1; BCAP. The encoded protein has an amino acid length of 805 and a mass of 90.4 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.