Lamprey fibrinopeptide B is A glycopeptide |
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Authors: | R.F. Doolittle B.A. Cottrell |
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Affiliation: | Department of Chemistry, University of California, San Diego La Jolla, California 92037 USA |
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Abstract: | One of the peptides released from lamprey fibrinogen during its transformation into fibrin has been found to contain covalently bound carbohydrate. The peptide, which also contains tyrosine O-sulfate, corresponds to the mammalian fibrinopeptide B and is the amino-terminal segment of the lamprey fibrinogen β-chain. As noted previously, this peptide is the only one released when lamprey fibrinogen is coltted by mammalian thrombin. Of the more than fifty sets of fibrinopeptides characterized from various species, this is the first one found to contain carbohydrate. |
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