ON THE ROLE OF SOLUBLE RIBONUCLEIC ACID IN CODING FOR AMINO ACIDS

Abstract
A direct test is made of the hypothesis that sRNA functions as an adaptor in specifying the fit of amino acids on a template. Cystein, attached to its normal acceptor sRNA is converted, while still attached to alanine, by reduction with Raney Nickel. The coding properties of the resultant hybrid are examined by the use of poly UG which stimulates incorporation into peptide of cysteine but not alanine. Alanine, attached to the cystein acceptor is incorporated, indicating that the adaptor hypothesis is correct.

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