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. 2012 Dec;18(12):2287–2298. doi: 10.1261/rna.030940.111

FIGURE 4.

FIGURE 4.

Structure of A-DTJ motifs. (A) The general scheme of the A-DTJ motif. TJ1 and TJ2 occur between base pairs [0P;0Q] and [+1R;+1P] and between base pairs [−2Q;−2P] and [−3Q;−3P], respectively. (B–D) The three A-DTJ motifs found in the E. coli 16S rRNA (Schuwirth et al. 2005). (E) The quasi-A-DTJ arrangement 2AVY-1142, which has the same structure as all other A-DTJs except that it does not have helix H3. (F) Reconstruction of motif 2AVY-1142 in the Haloarcula marismortui 16S rRNA (Wuyts et al. 2004). Circled nucleotides do not stack to other nucleotides of the motif.