Abstract
UNTIL recent years silk fibroin was thought to be free from the sulphur-containing amino-acids, and in a critical assessment of many amino-acid analyses in 1958 (ref. 1) it was concluded that there was insufficient evidence to support the theory that cystine was present in fibroin. Since that time there have been several reports of the presence of cystine in this protein.
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References
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Lucas, F. (unpublished observations).
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LUCAS, F. Cystine Content of Silk Fibroin (Bombyx mori). Nature 210, 952–953 (1966). https://doi.org/10.1038/210952a0
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DOI: https://doi.org/10.1038/210952a0
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