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. 2015 Feb 14;16(1):78. doi: 10.1186/s12864-015-1289-7

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© Atkinson; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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The trGTPase superfamily tree. The tree shown is an unrooted maximum likelihood phylogeny of trGTPase subfamilies from across the tree of life. Numbers on branches show bootstrap support from 100 replicates. Nodes separating subfamilies with less than 50% bootstrap support have been collapsed. The pink dotted line shows an alternative position for the clade containing bacterial and organellar EF-Tu, as supported by operon structure. Branch lengths are proportional to the number of amino acid substitutions (see lower scale bar). The icon next to the subfamily name indicates the domain of life and known or predicted subcellular compartment in which that trGTPase is found, as per the inset box.