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. 2020 Apr 24;21(8):3029. doi: 10.3390/ijms21083029

Figure 1.

Figure 1

Secondary structures of analyzed viroids AFCVd and CBCVd. Sequences of AFCVd (AC AB104533) and CBCVd (AC KM211547) are shown with consensus structures predicted for alignments [35] of all available AFCVd and CBCVd sequences, respectively, optimized in ConStruct [36] at 37 °C, and drawn with R2R [37]. The central conserved region (CCR), extra-stable hairpin I (HPI), terminal conserved region (TCR), terminal conserved hairpin (TCH), loop E (E) and RY motif are marked. Variable nucleotides of AFCVd as detected in vd-sRNA (Figure S6) and by screening of cDNA libraries from germinating pollen tubes are given in red.