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The conversion of mannose-3HH to protein bound sialic acid, fucose, galactose and hexosamines in rat serum

Authors
Journal
Biochemical and Biophysical Research Communications
0006-291X
Publisher
Elsevier
Publication Date
Volume
47
Issue
1
Identifiers
DOI: 10.1016/s0006-291x(72)80012-3
Disciplines
  • Biology

Abstract

Summary After a single intravenous injection of mannose- 3HH, radioactivity was recovered in all major sugar components released by acid hydrolysis of rat serum glycoproteins including sialic acid, fucose, mannose, galactose and hexosamine. The specific activity(DPM/μmol) of fucose and sialic acid was much higher than mannose within the first 5–10 minutes. After 5 minutes most of the label was recovered as sialic acid (83%), an appreciable amount in fucose, galactose and hexosamine, and only 3.2% in mannose. The amount of radioactivity was never less than 64% in sialic acid and never more than 14% in mannose.

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