Letter | Published:

Presence of Maltodextrins in Potato Phosphorylase Preparations

Naturevolume 207pages857858 (1965) | Download Citation

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Abstract

IN the presence of excess α-D-glucose-1-phosphate (α-D-G-1-P) potato phosphorylase catalyses the in vitro synthesis of amylose-like polysaccharides by 1 : 4 linking of glucose residues to the non-reducing ends of malto-dextrin primer molecules, either added or present as impurities in the reactants. Maltotriose is the smallest molecule which will act as a primer for the synthesis1. The action pattern of the enzyme has been shown to be of the ‘multichain’ type over a wide range of conditions1.

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References

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    Whelan, W. J., and Bailey, J. M., Biochem. J., 58, 560 (1954).

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Author information

Author notes

    • J. WATKINS

    Present address: Department of Pathology, King's College Hospital Medical School, Denmark Hill, London, S.E.5.

    • D. E. NORMANSELL

    Present address: Department of Experimental Pathology, the Medical School, University of Birmingham, 15

Affiliations

  1. Department of Chemistry, University of Birmingham

    • J. WATKINS
    • , D. E. NORMANSELL
    •  & G. A. GILBERT

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https://doi.org/10.1038/207857a0

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