Immunogen sequence: ACKLLDMELE MAFFVGPGNR LGEPIPISKA HEHIFGMVLM NDWSARDIQK WEYVPLGPFL GKSFGTTVSP WVVPMDALMP FAVPNPKQDP RPLPYLCHDE PYT. This gene encodes the last enzyme in the tyrosine catabolism pathway. FAH deficiency is associated with Type 1 heredita