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. 2000 Mar 7;97(6):2656–2661. doi: 10.1073/pnas.050578997

Figure 2.

Figure 2

Features of the yczA-ycbK leader region. The region from nucleotide coordinates 276731 to 277537 according to the B. subtilis genome database (28) is presented. Numbering shown is relative to the start point of transcription (marked by *). The yczA ORF is shown in green. The first 204 nt of the ycbK coding region are shown in blue. Promoter regions and translation start and stop codons are underlined. Conserved primary sequence elements found in genes controlled by the T-box antitermination mechanism are shown in violet. Sequence corresponding to the terminator in the leader region is indicated by wavy underline. Putative Trp (TGG) specifier sequence is shown in pale blue. Trinucleotide repeats constituting a putative TRAP binding site are presented in red. The nucleotide positions corresponding to the ends of the probes used in RNA dot blot analyses are indicated by up-pointing arrows: upstream probe (UP); downstream probe (DP). The region deleted to disrupt terminator function is indicated. The 3′ end points of the four terminator-deletion fragments described in Table 2 are indicated by down-pointing arrows.