Beta-1,4-galactosyltransferase 4 MGFNLTFHLSYKFRLLLLLTLCLTVVGWATSNYFVGAIQEI MGFNLTFHLSYKFRLLLLLTLCLTVVGWATSNYFVGAIQEI MGFNLTFHLS YKFRLLLLLT LCLTVVGWAT SNYFVGAIQE I