Maps of the dct region. (A) Sites used in
subcloning. A, AccIII; B, BamHI; E,
EcoRI; M, MluI; N, NruI; P,
PstI; V, EcoRV. Additional MluI,
NruI, and PstI sites not used in cloning have
been omitted for clarity. (B) Expanded view of the promoter region,
showing the transposon insertion in strain RU150. RBS, ribosome binding
site; UAS, upstream activation sequence.