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Comparative study of chicken ovalbumin subfractions having different carbohydrate chain from each other by high
1Department of Biochemistry, School of Medicine, Kitasato University, Sagamihara, Japan.
Abstract:
1. Ovalbumin was fractionated to six fractions according to their phosphate content by high performance anion exchange chromatography. 2. This method was applied to analyze the phosphate content of ovalbumin subfractions having different carbohydrate chain from each other which were prepared by concanavalin A/Sepharose chromatography from oviduct slices incubated with [2-3H]mannose. 3. Most biosynthetic intermediates bearing a carbohydrate chain of Man8 or 9 GlcNAc2 was not phosphorylated while other fractions bearing differently processed carbohydrate chains such as Man5 or 6 GlcNAc2 or hybrid type carbohydrate chain was phosphorylated at their peptide portion.