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PMID: 5690539 Published · ppublish English Journal Article

A comparison of glycopeptides from the ovotransferrin and serum transferrin of the hen.

The Biochemical journal ·Vol. 108 ·No. 1 ·1968-06-00 ·Pages 57-67

Williams J

Abstract

1. Glycopeptides were prepared from proteolytic digests of ovotransferrin and serum transferrin of the hen. The carbohydrate compositions and amino acid sequences of the peptides were studied. 2. The bulk of the carbohydrate of ovotransferrin is present as a single oligosaccharide composed of 4 residues of mannose and 8 residues of N-acetylglucosamine. Transferrin has most of its carbohydrate in a single unit composed of 2 residues of mannose, 2 residues of galactose, 3 residues of N-acetylglucosamine and either 1 or 2 residues of sialic acid. 3. The amino acid sequences of the glycopeptides carrying these different oligosaccharides are the same in ovotransferrin and serum transferrin, showing that the carbohydrate groups are attached to the same site on the protein molecule.

MeSH Terms
Amino Acid Sequence Animals Autoanalysis Carbohydrates/analysis Chickens Chromatography, Gel Egg White/analysis Electrophoresis Galactose/analysis Glucosamine/analysis Mannose/analysis Neuraminic Acids/analysis Oligosaccharides/analysis Peptides/analysis Transferrin/analysis,blood
Chemicals
Carbohydrates Neuraminic Acids Oligosaccharides Peptides Transferrin Glucosamine Mannose Galactose
Authors & Affiliations
1 authors, click to expand affiliations / ORCID
Williams J
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22 references, click to expand
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Article Info
Journal
The Biochemical journal
Abbr.
Biochem J
ISSN
0264-6021
DOI
10.1042/bj1080057
Published
1968-06-00
Pages
57-67
Language
English
Region
England
NLM ID
2984726R
PMCID
PMC1198769
Subset
IM
External Links
PubMed source DOI: 10.1042/bj1080057 PMC Full Text View journal details
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