FIGURE 1.

The B. subtilis gapA operator region protected upon CggR binding, as reported in Doan and Aymerich (4). The sequence of the full-length operator DNA (O_LR), and the two half-site operator DNAs (O_L and O_R) used in this study are indicated by dotted lines. The tandem direct repeat and the regularly spaced inverted repeats of GAC triplets are also indicated (black arrows). Aligned sequences of the gapA operator region from different Bacillus species are shown (Bsub, B. subtilis; Bhal, B. halodurans; Bste, B. stearothermophilus; Bant, B anthracis; Bmeg, B megaterium).