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Interconnected guide sequence similarity between different families of sRNAs. The colored sequences (green, magenta, blue and orange) indicate different sequence similarities in the guide regions of sRNAs of the interconnected sRNA families sR45, sR12/45, sR56 and sR57. The sRNA in the outgroup species Thermproteus tenax (Tte; chromosome start 1584742) is related to the sR57 family.
