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. 2020 Jan 25;48(5):2271–2286. doi: 10.1093/nar/gkaa028

Figure 6.

Figure 6.

The NA_H/ACA snoRNA are part Alu repeat elements. (A) The position of NA_H/ACA snoRNA cluster_25 (magenta box) is shown relative to the exons of its host gene (gray boxes) and the intronic AluSz6 element (blue box). (B) cluster_25 adopts the structure of an H/ACA snoRNA. The structure was predicted by both Turbofold (35) and snoGPS (33) showing the position of the H and ACA boxes. The snoRNA target-binding sites are circled. (C) The predicted modification target of cluster_25 in the 18S rRNA was determined using snoGPS and the pairing between the snoRNA and target indicated by the black lines. (D) Depletion of the H/ACA snoRNA binding protein dyskerin inhibits the expression of cluster_25. The average RNA abundance in TPM was determined in sequencing datasets of lipofectamine controls and cells transfected with two independent siRNAs targeting DKC1 (s1 and s2).