Eya1 encodes the human gene, EYA transcriptional coactivator and phosphatase 1. It may also be known as: Eyes absent homolog 1; Eyes absent homolog 1 ; BOR. The encoded protein is an enzyme with an amino acid length of 592 and a mass of 64.6 kDa. Other isoforms may exist. Eya1 is a member of the HAD-like hydrolase superfamily, EYA family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.