CYFIP2 is a symbol for the gene, Cytoplasmic FMR1 interacting protein 2, in humans. Other names include: Cytoplasmic FMR1-interacting protein 2; p53-inducible protein 121; p53 inducible protein; PIR121. The encoded protein has an amino acid length of 1278 and a mass of 148.4 kDa. Other isoforms may exist. CYFIP2 is a member of the CYFIP family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.