Encoded by the VMD2 gene on chromosome 11q13 Bestrophin 1 is the prototypic member of the RFP family of proteins which are more commonly called "bestrophins". The protein family was originally identified in Caenorhabditis elegans based on a conserved amino acid motifs Arg-Phe-Pro (RFP). In humans there are four members of the bestrophin family numbered sequentially BEST1, BEST2, BEST3 and BEST4.
