Figure 4 .

Perforin gene distribution inChordata. The phylogenetic tree shows the relationship between the species. The numbers of genes per species is shown on the right, in the format: (# full length genes, # partial genes, # pseudogenes) # total genes. Line colour reflects total gene number as per the key.

D’Angelo et al. BMC Evolutionary Biology 2012 12:59   doi:10.1186/1471-2148-12-59
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