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Glycoproteins from ascitic fluid of Ehrlich ascites tumor:Isolation and chemical characterization

Authors
Journal
Biochimica et Biophysica Acta (BBA) - General Subjects
0304-4165
Publisher
Elsevier
Publication Date
Volume
404
Issue
2
Identifiers
DOI: 10.1016/0304-4165(75)90333-5
Disciplines
  • Biology
  • Chemistry

Abstract

Abstract Three glycoprotein bands were identified by polyacrylamide disc gel electrophoresis in the perchloric acid soluble fraction of ascitic fluid of Ehrlich ascites tumor in mice. The three proteins were first separated by a new discontinuous preparative electrophoresis apparatus described previously [1]. They were further purified on Sephadex G-100 and then were subjected to chemical characterization. These glycoproteins were rich in glutamic and aspartic acids and contained the sugar moieties galactose, mannose, fucose, N- acetyl- D-glucosamine and sialic acid. The percent sugar composition ranged from 17.7–37.3% of the total weights of these glycoproteins.

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