Transferrin iron-binding sites.
D000818:Animals; D001665:Binding Sites; D006801:Humans; D007501:Iron / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D011485:Protein Binding; D051381:Rats; D014168:Transferrin / Q000378:metabolism*
D014168:Transferrin; D007501:Iron