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![[Figure 1]](cb5069fig1mag.jpg)
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Figure 1
Upstream DNA sequences. (a) DNA sequence of the C-protein binding site upstream of the C-gene in Csp231I, showing the two operator sites, OL and OR (blue), and highlighting the inverted repeats (yellow) and the start codon of the C-gene (magenta). (b) DNA sequences used in experiments: variants (underlined) of the native operator sequence (54-1) include randomization of the OR sequence (54-2) or of the central spacer (54-3). The sequence 48-1 corresponds to a deletion of the central six bases in the spacer; the deletion site is indicated by the red line. For simplicity, only one strand of the DNA is shown for all duplexes. |
![[Figure 1]](cb5069fig1.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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