Letter | Published:

Isolation of a Cystine Derivative from Silk

Naturevolume 192pages11851186 (1961) | Download Citation

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Abstract

CONSIDERABLE doubt exists as to whether silk fibroin (Bombyx mori) contains a small amount of cystine or whether this amino-acid is entirely absent. Apart from any biological significance, even a very small quantity of cystine, depending on its mode of incorporation, could have a considerable influence on the molecular weight of fibroin.

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References

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    Schroeder, W. A., and Kay, L. M., J. Amer. Chem. Soc., 77, 3908 (1955).

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    Zuber, H., Ziegler, K., and Zahn, H., Z. Naturforsch., 126, 734 (1957).

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    Speakman, J. B., J. Text. Inst., 51, P, 392 (1960).

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    Howitt, F. O., J. Text. Inst., 51, P, 238 (1960).

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    Burgess, A. F., British Patent 563,745 (1944).

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Affiliations

  1. Department of Textile Industries, Institute of Technology, Bradford

    • C. EARLAND
    •  & D. J. RAVEN

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https://doi.org/10.1038/1921185b0

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