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. 2012 Aug 6;7(8):e42523. doi: 10.1371/journal.pone.0042523

Figure 4. C/D box snoRNAs conserved in sponges and human.

Figure 4

(A) Intron-mapping of RPS12 genes from representative species. White triangles indicate positions of the introns and gray triangles indicate presence of SNORD100. The number in the triangle denotes the intron phase and the number in brackets intron length. The thin line indicates the 5′ UTR region. (B) The target site of SNORD100 in 18S rRNA is marked with an asterisk. (C) Alignment of SNORD100 orthologs from various metazoans. (D) Alignment of SNORD24 orthologs. One methylation guide site in S. domuncula, S. ficus and S. pagurorum is not conserved. (E) Target sites of SNORD24 are conserved in sponge and marked with dot and asterisk. (F) Orthologs of SNORD83 with conserved methylation (Me) guide site of unknown target.