内在因素
氰钴胺
维生素B12
岩藻糖
化学
半乳糖胺
甘露糖
半乳糖
生物化学
氨基葡萄糖
鼠李糖
标识
DOI:10.1016/0006-3002(61)90170-6
摘要
An extract of pig pylorus was resolved into two fractions both of which combine with cyanocobalamin, but only one had intrinsic factor activity. Both fractions are high-molecular weight glycoproteins, the polysaccharide portion contained N-acetylated glucosamine and galactosamine, galactose, mannose and fucose. The point of attachment of the cyanocobalamin and the mode of action of intrinsic factor are discussed.
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