Letter | Published:

Beta-Galactosidase of Helix pomatia



THE digestive juice of Helix pomatia contains a remarkable number of enzymes; many of them are carbohydrases, and they include an enzyme that hydrolyses lactose or β-methyl-galactoside1,2. This communication describes the properties and activities of the enzyme that hydrolyses o-nitrophenyl-β-D-galactopyranoside (ONPG).

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  1. 1

    Bierry, H., and Giaja, J., C. R. Soc. Biol., 61, 485 (1906).

  2. 2

    Nagaoka, T., Tohoku J. Exp. Med., 51, 131 (1949).

  3. 3

    Conchie, J., Findlay, J., and Levvy, G. A., Biochem. J., 71, 319 (1959).

  4. 4

    Levvy, G. A., and McAllan, A., Nature, 195, 387 (1962).

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