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β-Xylosidase and β-Galactosidase Activities of Mammalian Connective Tissues and Other Sources

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Abstract

IT has been shown that the sequence: –glucuronate–galactose–galactose–xylose–serine– serves as a chemical “bridge” between the polysaccharide and polypeptide components in a number of sulphated mucosubstances including heparin and chondromucoprotein1–6. A chondropeptide fraction isolated from bovine tracheal cartilage6 seems to be hydrolysed by a β-xylosidase present in almond emulsin at the point of the carbohydrate–peptide linkage7. This communication describes the β-galactosidase and β-xylosidase activities of cartilage, other mammalian tissues, and also in jack beans.

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Author notes

  1. M. W. WHITEHOUSE

    Present address: Department of Experimental Pathology, John Curtin School of Medical Research, the Australian National University, Canberra

Authors and Affiliations

  1. Department of Biochemistry, University of Oxford,

    D. FISHER, M. W. WHITEHOUSE & P. W. KENT

Authors
  1. D. FISHER
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  2. M. W. WHITEHOUSE
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  3. P. W. KENT
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FISHER, D., WHITEHOUSE, M. & KENT, P. β-Xylosidase and β-Galactosidase Activities of Mammalian Connective Tissues and Other Sources. Nature 213, 204–205 (1967). https://doi.org/10.1038/213204a0

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