1973 Volume 37 Issue 11 Pages 2479-2485
Some proteolytic digests of chicken egg white ovomucin were fractionated and characterized. It was shown that there are at least three types of carbohydrate side chains in ovomucin; a chain composed of galactose, galactosamine, sialic acid and sulfate in a molar ratio of about 1:1:1:1, a chain composed of galactose and glucosamine in a molar ratio of about 1:1, and a chain composed of mannose and glucosamine in a molar ratio of about 1:1. It was also shown that the carbohydrate side chain composed of galactose, galactosamine, sialic acid and sulfate is linked O-glycosidically to serine or threonine in the protein core of ovomucin.
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