SNAI2 is a symbol for the gene, Snail family zinc finger 2, in humans. Other names include: Zinc finger protein SNAI2; Protein snail homolog 2; Neural crest transcription factor Slug; SLUG; SLUGH1; SNAIL2; WS2D. The encoded protein has an amino acid length of 268 and a mass of 30.0 kDa. Other isoforms may exist. SNAI2 is a member of the Snail C2H2-type zinc-finger protein family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Fly.