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. 2008 Jun 20;190(16):5720–5728. doi: 10.1128/JB.00455-08

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Copyright © 2008, American Society for Microbiology

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FIG. 1. — The promoter of the swrA operon. DNA sequence of the 361-nt region upstream of the swrAA start codon (TTG). Sequences corresponding to the putative σ^D- and σ^A-dependent promoters are underlined, and the promoter's identity is indicated above (33). The consensus sequence for σ^D-dependent promoters is TAAA-(N)_12-16-GCCGATAT, whereas for σ^A promoters it is TTGACA-(N)_13-22-TATAAT. An arrow above the DNA sequence specifies the estimated σ^D-directed transcription start site (position −235/−236). Nucleotides deleted to obtain the mutant promoters are in bold.