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Predicted consensus secondary structures of the 5S rRNA. Helices are named with roman numbers, and loops with letters, following Barciszenwska et al., (2000). Red indicates one type of base pair, ochre two types of base pairs, and pale colors indicate pairs that cannot be formed by all sequences. (a) Type I Pollicipes. (b) Type II Pollicipes (c) Consensus of crustacea.
