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Cell surface glycoproteins. I. Accumulation of a glycoprotein on the outer surface of mouse LS cells during mitosis.

Surface glycopeptides derived from vertebrate cells have been separated into 4 classes by chromatography on DEAE cellulose columns. Among different cell types tested, significant differences were observed in the relative amounts of these 4 glycopeptide classes present on the cell surface. This type of heterogeneity is consistent with the expected biological role of cell surface glycoproteins. One glycopeptide, as revealed by the DEAE column analysis, was found to have a characteristic metabolic pattern in mouse LS cells. New accumulation of this structure, called glycopeptide 4, on the cell surface was detected only around the period of cell division (M phase) and not at other times during the cell cycle.