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. 2010 Jan 6;98(1):111–120. doi: 10.1016/j.bpj.2009.09.057

Figure 1.

Figure 1

An illustration for the folding of an RNA three-way junction. (A) The left panel shows the extended Y-state where the angle between any two adjacent stems is 120°; the right panel shows the folded y-state where two stems are coaxially stacked and the angle between the other stem and the coaxial axis is ∼60°. The model is constructed using a grooved primitive (coarse-grained) model (35,36). The values kf and ko denote the folding and opening rates, respectively. (B) The secondary structure of a modified 16S ribosomal RNA three-way junction (25).