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Glycosaminoglycans linkage region

STRUCTURES OF THE GLYCOSAMINOGLYCANS AND THEIR LINKAGE REGIONS TO PROTEIN... [Pg.189]

Figure 2. Structures of the glycosaminoglycans and their linkage regions to protein. Two disaccharide repeating units are shown to emphasize the microheterogeneity that exists in some cases. Heparan sulfate and heparin show many structural similarities. However, heparan sulfate contains more GlcNAc(a-1 — 4)GlcUA repeating units fewer glucosamine residues are N-sulfated, and few iduronic acid residues are sulfated at C2. Figure 2. Structures of the glycosaminoglycans and their linkage regions to protein. Two disaccharide repeating units are shown to emphasize the microheterogeneity that exists in some cases. Heparan sulfate and heparin show many structural similarities. However, heparan sulfate contains more GlcNAc(a-1 — 4)GlcUA repeating units fewer glucosamine residues are N-sulfated, and few iduronic acid residues are sulfated at C2.
C9. Chakrapani, B., and Bachhawat, B. K., Glycosaminoglycans of human urine. I. Protein-polysaccharide linkage region in the non- phated glycosaminoglycans of normal urine. Indian. J. Biochem. 5, 9-12 (1968). [Pg.80]

Keratan sulphates I and II have been isolated and purified from bovine cornea and nasal cartilage, respectively. Desulphation of keratan sulphate I yielded both water-soluble and water-insoluble products, but keratan sulphate II yielded only water-soluble products. The water-soluble form contains glycopeptides from the protein-polysaccharide linkage region, and oligosaccharides derived from the main chain of the glycosaminoglycan associate forming water-insoluble species. [Pg.354]

All glycosaminoglycans and keratan sulfate, except hyaluronic add, are covalently linked to protein. Such linkages, shown in Figure 9.13, may be of the O- or the N-glycoside type. Also, at the link region, all glycosaminoglycans contain the -Gal-Gal-Xyl-sequence, in which the xylose molecule, a pentose, is... [Pg.234]

The proteoglycans are formed from a protein chain, a linkage (carbohydrate) region and a considerably large glycosaminoglycan region, connected as shown below ... [Pg.309]

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See also in sourсe #XX -- [ Pg.6 , Pg.7 ]



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