Expression, purification, and characterization of EpiC, an enzyme involved in the biosynthesis of the lantibiotic epidermin, and sequence analysis of Staphylococcus epidermidis epiC mutants.

Abstract excerpt

The plasmid-encoded epidermin biosynthetic gene epiC of Staphylococcus epidermidis Tü3298 was expressed in Escherichia coli by using the T7 RNA polymerase-promoter system, and the gene product EpiC was identified by Western blotting (immunoblotting) with an anti-EpiC-peptide antiserum. EpiC was a hydrophobic but soluble protein. EpiC was purified by hydrophobic-interaction chromatography. The determined...

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