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. 2010 Jul 19;5(7):e11647. doi: 10.1371/journal.pone.0011647

Figure 4. Folding structures of the c-MYC I-motifs.

Figure 4

Schematic drawing of the folding structures of the c-MYC I-motifs formed in the C11T sequence (A), the C20T sequence (B), and the two equilibrating conformations in the C11/20/23T sequence (C). The C+-C base pairs are shown in white boxes. The dashed boxes indicate the possible C+-C base pairs that are in dynamic equilibrium and thus show weaker and broader C+-C imino peaks. (cytosine  =  yellow sphere, adenine  =  green sphere, thymine  =  blue sphere.)