FIG. 2.

Genetic and physical maps of the composite transposon Tn14751. (A) The deduced amino acid sequences encoded by the 13 open reading frames in Tn14751 were identified. The copies of IS31831 elements constitute inverted repeats (represented by gray boxes). Eight-base-pair direct repeats are indicated by open arrowheads. The arrows indicate the directions of transcription. The physical map is below the genetic map. The sacB gene is indicated by a cross-hatched arrow. Unique restriction sites are indicated by boldface type. (B) IS14751L and IS14751R, which are identical, contain the tpnA gene. The solid arrowheads indicate the 24-bp imperfect inverted repeats (IR-L and IR-R). The nucleotide sequences of IR-L and IR-R are indicated below the arrowheads. Nucleotides that were identical in two sequences are indicated by converging arrows. aa, amino acids.