Journal
JOURNAL OF NATURAL PRODUCTS
Volume 72, Issue 4, Pages 605-607Publisher
AMER CHEMICAL SOC
DOI: 10.1021/np800794y
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Funding
- Italian Ministry of Research
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The lantibiotic 97518, produced by a Planomonospora sp., was reported as a 2194 Da polypeptide comprising 24 amino acid residues with five thioether bridges. It was assigned to the mersacidin subgroup of type B lantibiotics by Castiglione et al. (Biochemistry, 2007, 46, 5884-5897) and named planosporicin. New analytical, chemical, and genetic data and reinterpretation of the published NMR chemical shifts enable structure revision of 97518. The resulting revision of the 97518 structure involves both a shift of two amino acids and a reorganization of two thioether bridges. With this revision, the lantibiotic 97518 becomes a clear member of the nisin subgroup of compounds.
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