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[Preparation, characterization and receptor-binding capacity of pig serum transferrin half-molecules containing a
Xin-Tang Zhang1, Yue-Hua Tang, You-Min Feng
1State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry, Shanghai 200031, China.
Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao Acta Biochimica Et Biophysica Sinica
|May 15, 2002
Abstract:
N- and C-half molecules containing a single iron-binding site were simultaneously obtained from trypsin digest of iron-saturated pig transferrin. The activities of the pig serum transferrin and of its N- and C-half molecules to bind the human placental membrane transferrin receptor were compared. The results indicate that the receptor-binding site of pig transferrin may be located at the C-half molecule of the transferrin.