Figure 2 .

Conservation of the human perforin locus extends to platypus but not more divergent vertebrates. Genome scaffolds/contigs are drawn as a black lines (not to scale), and genes are shown as arrowheads, with their gene symbols above. Syntenic genes are color coded. The direction of the arrowhead indicates the relative transcriptional orientation, and the relevant chromosome (Chr) coordinates are indicated on the right.

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