Abstract

Glycopeptides of human teratoma cells were studied. Two glycopeptide fractions (Fractions A and C) obtained from pronase digests of the human teratoma stem cells of line PA 1 were analyzed. Fraction A glycopeptides were of large size (Mr > 7400). They could be labeled by supplying the cells with 3H-mannose, 3H-fucose, 3H-galactose, 3H-glucosamine, 3H-glucose and 35S-sulfate. Acid hydrolysates of Fraction A contained at least mannose and fucose. A part of Fraction A glycopeptides could be obtained by affinity chromatography on

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