Skip to main content
. 1997 Mar 18;94(6):2139–2144. doi: 10.1073/pnas.94.6.2139

Figure 1.

Figure 1

The binding site for ribosomal protein S8 in E. coli 16S rRNA. (A) Secondary structure of E. coli 16S rRNA (16). (B) Helix 21 of the 16S rRNA. Conserved bases are in boldface type. (C) The three RNA molecules used in this study. RNAs I and III contain all structural elements necessary for protein S8 binding. RNA II permitted a more detailed analysis of the core element in the free RNA. The residues have been numbered to correspond to the 16S rRNA numbering system. The bases of the loop in RNAs I and II, which do not occur in E. coli 16S rRNA, are numbered i–iv.