Also called mucoprotein. A molecule in which numerous glycosaminoglycans (sugar chains consisting of repeating disaccharide units = mucopolysaccharides) are covalently bonded to a core protein. It is found mainly in the extracellular matrix of connective tissues, and because it has water-retaining properties, it also acts as a lubricant in joints. Examples of glycosaminoglycans include negatively charged chondroitin sulfate, dermatan sulfate, and heparan sulfate. They have an extremely high proportion of sugar chains and are distinguished from normal glycoproteins. Chondroitin sulfate, dermatan sulfate, and heparan sulfate are Source: Morikita Publishing "Chemical Dictionary (2nd Edition)" Information about the Chemical Dictionary 2nd Edition |
ムコタンパク質ともいう.多数のグリコサミノグリカン(2糖の繰り返しからなる糖鎖=ムコ多糖)がコアタンパク質に共有結合した分子.主として結合組織の細胞外マトリックスに存在し,保水力があるため,関節では潤滑剤の役割も果たす.グリコサミノグリカンとしては負に荷電したコンドロイチン硫酸,デルマタン硫酸,ヘパラン硫酸などがある.糖鎖の割合が極端に高く,通常の糖タンパク質とは区別する.コンドロイチン硫酸,デルマタン硫酸,ヘパラン硫酸は 出典 森北出版「化学辞典(第2版)」化学辞典 第2版について 情報 |
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