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Staphylococcin 1580 is identical to the lantibiotic epidermin: implications for the nature of bacteriocins from gram-positive bacteria - PubMed

Staphylococcin 1580 is identical to the lantibiotic epidermin: implications for the nature of bacteriocins from gram-positive bacteria

H G Sahl. Appl Environ Microbiol. 1994 Feb.

Abstract

Staphylococcin 1580 was purified to homogeneity from culture supernatants of Staphylococcus epidermidis 1580 by means of adsorption to XAD 2, cation exchange chromatography, and high-performance liquid chromatography on reversed-phase C18. The purified active substance migrated in sodium dodecyl sulfate-polyacrylamide gel electrophoresis with an apparent M(r) of approximately 2,000. Amino acid analysis, mass determination (2,165 Da) and N-terminal sequencing (Ile-Ala-Xaa-Lys-Phe-Ile-Xaa-Xaa-Pro-Gly-Xaa-Ala-Lys-block) demonstrated that staphylococcin 1580 is identical to epidermin, a lanthionine-containing antibiotic peptide (lantibiotic).

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