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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Evolutionary history of phosphatidylinositol- 3-kinases: ancestral origin in eukaryotes and complex duplication patterns

Fig. 1

Maximum likelihood phylogenetic tree of catalytic PI3Ks subunits. The tree was inferred with the UL3+ Γ 4 model (398 sites, 139 sequences). Sequences are colored according to their taxonomic classification. Green circles correspond to nodes with SH >0.95 and BS >80 %. Blue and yellow circles correspond to nodes having either SH >0.95 or BS >80 %. Duplication events are indicated by an orange “D”. The scale bar represents the average number of substitutions per site

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