Research Article
Positive Selection and the Evolution of izumo Genes in Mammals
Table 1
Phylogenetic model testing for amino acid sequence alignments. Only the top three fits are shown.
| Genes | Models | AIC | lnL |
| All | JTT+G+F | 29641.5 | −14693.7 | JTT+I+G+F | 29642.4 | −14693.2 | JTT+G | 29647.6 | −14715.8 |
| izumo1 | JTT+I+G+F | 13166.7 | −6533.3 | JTT+G+F | 13168.7 | −6535.3 | JTT+I+G | 13173.5 | −6555.7 |
| izumo2 | JTT+I+G+F | 6132.2 | −3022.1 | JTT+G+F | 6133.8 | −3023.9 | JTT+I+F | 6147.6 | −3030.8 |
| izumo3 | JTT+G | 5468.6 | −2710.3 | JTT+I+G | 5470.6 | −2710.3 | JTT+G+F | 5471.6 | −2692.8 |
| izumo4 | JTT+I+G | 4655.4 | −2302.7 | JTT+G | 4657.4 | −2304.7 | HIVb+I+G | 4663.7 | −2306.9 |
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