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  • Title: Carbohydrate components of the glycopeptides of ovine lutropin.
    Author: Chu WP, Liu WK, Ward DN.
    Journal: Biochim Biophys Acta; 1976 Jul 21; 437(2):377-83. PubMed ID: 782529.
    Abstract:
    The three tryptic glycopeptides from ovine lutropin, in which two were from the alpha-subunit (alpha-56 and alpha-82 glycopeptides) and one from the beta-subunits (beta-13 glycopeptide), have been isolated and their carohydrate compositions analyzed. The results indicate that the alpha-56 glycopeptide has the highest amount of carbohydrate, whereas the beta-13 glycopeptide has the least. In general, each of the glycopeptides has similar distribution of various sugars, i.e. high in mannose and glucosamine and low in fucose, sialic acid, galactose and galactosamine. Within the limit of experimental error, the sum of their carbohydrate composition is in agreement with the published data on the intact hormone or separated subunits.
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