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. 2017 Oct 26;12(10):e0186393. doi: 10.1371/journal.pone.0186393

Fig 4. Predicted secondary structure of the complete 3ʹ end of the 23S rRNA molecule for Scytonema hyalinum HTT-U-KK4.

Fig 4

Type 2 operon is the base structure, and variable bases in the Type 1 operon are shown as alternates. Indels are noted with empty circles where a base was deleted (or an insertion occurred opposite the position). The separation of the last three domains are delineated with lines. Helix 1 consists of the 5ʹ end of the 23S rRNA molecule bound to the 3ʹ end of the molecule, indicated by labels of 5ʹ and 3ʹ. See Fig 3 for the continuation of the structure (i.e., the 5ʹ end).