FIG. 2.

Alignment of the four PM2 promoter sequences revealed by primer extension. Promoters are named with P after the nucleotide coordinate at the −50 position. Orientation of the promoter in the PM2 genome (presented in Fig. 1) is indicated by a solid arrow. The +1 (mRNA start site) and −50 nt are shaded in gray. Predicted hexameric promoter consensus sequences −35 and −10 are boxed either with solid lines (well conserved) or dashed lines (less conserved). Repeat sequences in the promoter regions are indicated with arrows.