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Figure 3 | BMC Evolutionary Biology

Figure 3

From: The enigmatic mitochondrial genome of Rhabdopleura compacta(Pterobranchia) reveals insights into selection of an efficient tRNA system and supports monophyly of Ambulacraria

Figure 3

Amino acid composition of the 13 protein-coding genes in Rhabdopleura compacta compared to closely related deuterostome species: the enteropneusts Balanoglossus carnosus and Saccoglossus kowalevskii , the sea urchin Paracentrotus lividus and the brittle star Ophiocomina nigra. Amino acids solely encoded by GT or AC rich codons are indicated by white letters. These codons are listed on the left and are identical for all mtDNAs of Deuterostomia.

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