Biotinylated Mouse Transferrin R, His Tag, primary amine labeling (TFR-M8249) is expressed from human 293 cells (HEK293). It contain s AA Cys 89 - Phe 763 (Accession # Q62351-1). It is the biotinylated form of Mouse Transferrin R, His Tag(Cat. No. TF 1 * 200 µG