Functional properties of the glycosylated minor components of human adult hemoglobin.
نویسندگان
چکیده
منابع مشابه
Glycosylated Minor Components of Human Adult Hemoglobin
Human hemolysate contains several minor components designated Hb A,,, Hb Alh, Hb A,,, which are post-translational modifications of the major hemoglobin component A,,. Individuals with diabetes mellitus have elevated levels of Hb A,,, a hemoglobin modified with a glucose moiety at the NH, terminus of each /3 chain. A new chromatographic technique using Bio-Rex 70 is described which not only all...
متن کاملFunctional properties of the glycosylated minor components of human adult hemoglobin.
The functional properties of four glycosylated minor components of human hemolysate have been examined. In 0.1 M potassium phosphate buffer, pH 7 and 2O”C, the p50 values of Hb Al,,, Hb Alaz, Hb Al,, and Hb A, were 14,9.8,6.3, and 7.4 mm Hg, respectively, compared to 7.8 mm Hg for the major component, Hb Ao. The A log p&A pH (pH 7 to pH 8) was -0.5 for Hb A1 .1, Hb Alaz, and Hb A1, as compared ...
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15 صفحه اولGlycosylated hemoglobin A2 components.
Partially purified hemoglobin A2 has been examined for the existence of glycosylated components by isoelectric focusing and by acid agar gel electrophoresis. Bands analogous to the glycohemoglobin derivatives of hemoglobin A, hemoglobin-A1.a.b.c, were readily detected. Evidence that these minor bands are in fact glycohemoglobins was obtained by showing that 14C-glucose bound to hemoglobin A2 mo...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1979
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(17)37862-6