Figure 2.

Timing of the gains of ubiquitylated lysine in the human lineage. Numbers of gains of ubiquitylated lysine residues in the human lineage of the mammalian phylogenetic tree are shown. The number of gains is shown on each branch where the lysine residue emerged in the ancestor of the corresponding clade.

Kim and Hahn BMC Bioinformatics 2012 13:306   doi:10.1186/1471-2105-13-306
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