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Rat intestinal glycoprotein lowering bactericidal activity of serum on 32P-labelled E. coli
Abstract:
A glycoprotein fraction, by which the 32P-releasing activity of serum on labelled E. coli is lowered, was isolated from caecum content of germfree rats. The glycoprotein contained 83.1% sulphate, and 16.1% protein. The molecular weight ranged from 3.2 X 10(5) to 2.4 X 10(6), and the iso-electric point from pH 0.9 to 3.0. Physiologically, it may play a role in the interaction(s) between the host and its intestinal flora.