Immunogen sequence: GEEAEFHFAA LYISGQWPRL RADTDLQRLG SSAMAPSRKF FVGGNWKMNG RKQSLGELIG TLNAAKVPAD TEVVCAPPTA YIDFARQKLD P. This gene encodes an enzyme, consisting of two identical proteins, which catalyzes the isomerization of glyceraldehydes 3-phosphate