Maturation by LctT Is Required for Biosynthesis of Full-Length Lantibiotic Lacticin 481

AUTOR(ES)

Uguen, Patricia

FONTE

American Society for Microbiology

RESUMO

In lantibiotic lacticin 481 biosynthesis, LctT cleaves the precursor peptide and exports mature lantibiotic. Matrix-assisted laser desorption ionization-time of flight mass spectrometry revealed that a truncated form of lacticin 481 is produced in the absence of LctT or after cleavage site inactivation. Production of truncated lacticin 481 is 4-fold less efficient, and its specific activity is about 10-fold lower.

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