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. 2018 Jan 10;8(1):170232. doi: 10.1098/rsob.170232

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© 2018 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 1. — Unconstrained ML molecular phylogenies for vertebrate visual GRKs. (a) Jawed vertebrates; inset below shows the expanded GRK1B subtree. Colour coding for jawed vertebrate clades is according to our interpretation of the ancestral function of each GRK class: red, photopic; blue, scotopic (see text). (b) Jawed and agnathan vertebrates, but excluding bird GRK1 sequences. Agnathan vertebrate clades are shown as magenta. The fully expanded tree for (b) is presented in electronic supplementary material, figure S1. Constrained trees are presented in electronic supplementary material, figure S2.