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説明
Under the conditions commonly used to hydrolyze proteins with 6 M HCl, tryptophan reacted with cystine to give a transient intermediate, which was isolated and identified as 2-(2-amino-2-carboxyethylthio)tryptophan (tryptathionine) by NMR studies, etc. Studies on the formation and degradation of the above compound showed that beta-3-oxoindolylalanine and cysteine, which were previously reported to be the main degradation products of tryptophan and cystine, respectively, are formed by the hydrolysis of this intermediate during the course of the reaction.
収録刊行物
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- Biochimica et Biophysica Acta (BBA) - Protein Structure
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Biochimica et Biophysica Acta (BBA) - Protein Structure 533 440-445, 1978-04-01
Elsevier BV