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Peptidokeratan sulfate from bovine cornea was degraded by a combination of desulfation, exo-enzymic digestion and finally digestion with endo-beta-N-acetylglucosaminidase D. The same procedure was carried out both with [3H]fucose-labelled and [3H]mannose-labelled peptidokeratan sulfate. Data obtained by methylation analysis of peptidokeratan at the(More)
1) A new method of enrichment of the linkage-region in corneal proteokeratan sulfate is described, which consists of desulfation of peptidokeratan sulfate, followed by chromatography on Con A-Sepharose 4B and enzymatic degradation with beta-D galactosidase and beta-N-acetyl-D-glucosaminidase. 2) After permethylation, hydrolysis, reduction with sodium(More)
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