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Figure 3 | BMC Bioinformatics

Figure 3

From: The ancient history of the structure of ribonuclease P and the early origins of Archaea

Figure 3

Evolution of the structure and sequence of RPR molecules. Phylogenetic maximum parsimony analyses of combined structure and sequence data in 133 RPRs resulted in 6 minimal length trees, each of 14,359 steps (CI = 0.248 and 0.240, with and without uninformative characters, respectively; RI = 0.712; RC = 0.176; g1 = -0.263). The figure shows a strict consensus of these trees, which is well resolved, and lists bootstrap support (BS) >50% for individual nodes. Asterisks below branches indicate groups also recovered by separate analyses of sequence or structure data. Symbols in terminal leaves describe the structural type of the RPR molecules. The inset shows a cumulative frequency distribution plot describing the accumulation of molecular types along a timeline defined by the distance (nd) in nodes from the ancestral substructure at the base of the tree, on a relative scale.

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