PITX1 is a symbol for the gene, Paired-like homeodomain 1, in humans. Other names include: Pituitary homeobox 1; Hindlimb-expressed homeobox protein backfoot; Homeobox protein PITX1; Paired-like homeodomain transcription factor 1; BFT; CCF; LBNBG; POTX. The encoded protein has an amino acid length of 314 and a mass of 34.1 kDa. Other isoforms may exist. PITX1 is a member of the Paired homeobox family, Bicoid subfamily. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.