GLYCOPEPTIDE FROM POSTERIOR LOBE OF PIG PITUITARIES .1. ISOLATION AND CHARACTERIZATION
GLYCOPEPTIDE FROM POSTERIOR LOBE OF PIG PITUITARIES .1. ISOLATION AND CHARACTERIZATION
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DOI:
10.1111/j.1432-1033.1972.tb01918.x
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发表时间:
1972-01-01
期刊:
影响因子:
--
通讯作者:
HOLWERDA, DA
中科院分区:
文献类型:
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作者:
HOLWERDA, DA
An extract from the posterior lobes of pig pituitaries contains a glycopeptide with a molecular mass of 3200 (± 5%). The glycopeptide is present in amounts of the same order as the hormones oxytocin and vasopressin.The peptide portion is composed of seventeen amino acid residues: aspartic acid or asparagine (3), threonine (1), serine (3), proline (1), glycine (2), alanine (3), leucine (3) and arginine (1). The carbohydrate portion, about 55% by weight, is composed of fucose (1), galactose (1), mannose (3) and glucosamine (4). The glycopeptide exhibits none of the known physiological activities of hypophysis except for a slight lipolytic activity.