Author(s): Jakeman DL, Graham CL, Reid TR
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Abstract Jadomycin B is a secondary metabolite produced, in response to stress, by Streptomyces venezuelae ISP5230 grown in nutrient-deprived media. We present definitive electrospray ionization mass spectrometry data identifying a series of novel jadomycins with non-proteogenic amino acids incorporated into the oxazolone ring of the secondary metabolite, and strengthening evidence for the existence of an aldimine intermediate in the biosynthetic pathway. We also demonstrate that the size of the oxazolone ring can be expanded by incorporating beta-amino acids.
This article was published in Bioorg Med Chem Lett
and referenced in Journal of Microbial & Biochemical Technology