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