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pubmed:abstractText |
Radioactive carbon-14 L-alpha-aminoadipic acid, L-cysteine, or L-valine were readily incorporated into the intracellular tripeptide, delta-(alpha-aminoadipyl)cysteinylvaline (ACV), by washed starved cells of Penicillium chrysogenum. The labeled ACV in each case was oxidized with performic acid and isolated as its corresponding sulfonic acid derivative. After acid hydrolysis, the configuration of the component acids was determined by L- and D-amino acid oxidases, which showed the tripeptide (ACV) from P. chrysogenum to be delta-(L-aminoadipyl)-L-cysteinyl-D-valine.
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