Specificity of Peptides

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Science  01 Aug 1958:
Vol. 128, Issue 3318, pp. 238-240
DOI: 10.1126/science.128.3318.238


The data now at hand show that specificity among biologically active peptides is probably not as exquisite as might have been deduced from experiences with some of the water-soluble vitamins. It is plain that a given biological effect can be evoked by peptides which differ considerably. It is likewise plain that the effect cannot be evoked by a number of other peptides. There is apparently some specificity, but more is involved than that incorporated in the classical view.