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Proteomics

Findings from University of Illinois in proteomics reported

Published in Gene Therapy Weekly, October 1st, 2009

"Lantibiotics are ribosomally synthesized and post-translationally modified peptide antibiotics containing the characteristic thioether cross-links lanthionine and methyllanthionine. To date, no analogues of lantibiotics that contain nonproteinogenic amino acids have been reported," scientists in the United States report.

"In this study, in vitro-reconstituted lacticin 481 synthetase was used in conjunction with synthetic peptide substrates containing nonproteinogenic amino acids to generate 11 analogues of lacticin 481. These analogues contained sarcosine and aminocyclopropanoic acid in place of Gly5, D-valine at position 6, 4-cyanoaminobutyric acid in place of Glul 3,...

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