Binding of apotransferrin to K562 cells: explanation of the transferrin cycle.
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چکیده
منابع مشابه
Determination of the Binding Constant of Terbium-Transferrin
Apotransferrin (apo Tf) in 0.1 M N-(2hydroxyethyl)piperazine-N2-ethanesulfanic acid at 25 ˚C and pH 7.4 has been titrated with acidic solution of Tb3+. The binding of Tb3+ at the two specific metal-binding sites of transferrin was followed from the changes in the difference UV spectra at 245 nm. The molar absorptivity per binding site for Tb3+...
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The characteristics of manganese and iron binding to human apotransferrin (apo-tf) have been investigated and compared in this study. Both metal ions were taken up by human apo-tf and formed complexes, with the maximum absorbances observed at 410 and 340 nm for manganese-transferrin (Mn-tf) and 465 nm for iron-transferrin (Fe-tf). Addition of manganese (1.5 µg/ml) to the reaction mixture contai...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1983
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.80.8.2263