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Cloning of PCR products from the region of the bacteriocin determinant of pDT1. Thick lines represent the cloned PCR product. The numbers at the ends of the thick lines represent the 5′ and 3′ ends of the segment on the map (base pairs). The vertical bar with an arrowhead is the potential promoter. a.a., amino acids; n.d., the pasmid did not transform E. faecalis FA2-2.
