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. 2001 Feb 1;29(3):677–682. doi: 10.1093/nar/29.3.677

Figure 1.

Figure 1

Secondary structure of mRNA and 16S rRNA fragments that bind S7. (A) S12–S7 intercistronic region of the str mRNA that contains the S7 binding site. The stop codon for S12 (UAA) and the initiation codon for S7 (AUG) are underlined. The Shine–Dalgarno sequence for the S7 cistron is indicated by a dashed line. (B) Lower half of the 3′ major domain of 16S rRNA, with the circled sequence containing the minimal binding site for S7 (10). Helices are numbered according to Brimacombe (12). The sequences that are boxed are identical in the mRNA and the rRNA. The arrows point to bases in 16S rRNA that were crosslinked to S7 (15).