Biotinylated Rat Transferrin R / CD71 Protein, His, Avitag™ | TFR-R82E3-25ug| Gentaur Distribution US, UK & Europe CD antigen CD71 is also known as Transferrin receptor protein 1, TfR, sTfR, p90, TfR1, Trfr, which belongs to the peptidase M28 family...