Immunogen sequence: MMDQARSAFS NLFGGEPLSY TRFSLARQVD GDNSHVEMKL AVDEEENADN NTKANVTKPK RCSGSICYGT IAVIVFFLIG FMIGYLGYCK GVEPKTECER LAGTESPVRE EPGEDFPAAR RLYWDDLKRK LSEKLDSTDF. Cellular uptake of iron occurs via receptor-mediated endocytosis of ligand-occu