BEST4 is a symbol for the gene, Bestrophin 4, in humans. Other names include: Bestrophin-4; Vitelliform macular dystrophy 2-like protein 2; VMD2L2. The encoded protein has an amino acid length of 473 and a mass of 53.5 kDa. BEST4 is a member of the Bestrophin family. This gene shares homology with other species, including: Fly, Rat, Zebrafish, Frog, Chicken.