Mitochondrial genomic analyses provide new insights into the “missing” atp8 and adaptive evolution of Mytilidae

BMC Genomics

Table 5 Branch-site model analyses in freshwater branches

Genes	Model	lnL	2△lnL	Parameter estimates	Positive sites	P-value
nad2	Alternative	-17,791.53	0	P₀ = 0.648 P₁ = 0.009 P_2a = 0.339 P_2b = 0.004 ω₀ = 0.042 ω₁ = 1.000 ω₂ = 1.000	4S(0.954) 74 N(0.997) 110G(0.989)	1
	Null	-17,791.53		P₀ = 0.648 P₁ = 0.009 P_2a = 0.339 P_2b = 0.004 ω₀ = 0.042 ω₁ = 1.000 ω₂ = 1.000
nad4	Alternative	-21,314.63	9.38	P₀ = 0.799 P₁ = 0.030 P_2a = 0.165 P_2b = 0.006 ω₀ = 0.039 ω₁ = 1.000 ω₂ = 209.31	41Y(0.956) 49S(0.979) 55L(0.975) 63 V(0.963) 115L(0.966) 281F(0.974)	0.002
	Null	-21,319.32		P₀ = 0.796 P₁ = 0.037 P_2a = 0.159 P_2b = 0.007 ω₀ = 0.039 ω₁ = 1.000 ω₂ = 1.000
nad5	Alternative	-35,070.30	3.10	P₀ = 0.806 P₁ = 0.074 P_2a = 0.110 P_2b = 0.010 ω₀ = 0.044 ω₁ = 1.000 ω₂ = 13.12	346 N(0.982) 462Q(0.982)	0.078
	Null	-35,071.85		P₀ = 0.793 P₁ = 0.073 P_2a = 0.123 P_2b = 0.011 ω₀ = 0.044 ω₁ = 1.000 ω₂ = 1.000

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