Table 3 CODEML analyses of selective pattern on the TAS1R3 in catarrhine primates

Branch model

M0:one-ratio

–7676.8782

ω = 0.1342

M1:free-ratio

–7638.3982

M0 vs. M1

76.9600

p > 0.05

Site model

M1a

–7623.3051

p₀ = 0.8913, p₁ = 0.1087, ω₀ = 0.0632, ω₁ = 1.0000

M2a

–7623.3051

M1a vs. M2a

0.0000

p > 0.05

p₀ = 0.8913, p₁ = 0.0609, p₂ = 0.0478, ω₀ = 0.0632, ω₁ = 1.000, ω₂ = 1.0000

M8a

–7619.6648

p₀ = 0.9461( p₁ = 0.0539), p = 0.2391, q = 1.8178, ω = 1.0000

M8

–7619.7175

M8a vs. M8

0.1054

p > 0.05

p₀ = 0.9678( p₁ = 0.0322), p = 0.2634, q = 1.9053, ω = 1.1121

Null

–7622.2362

p₀ = 0.8389, p₁ = 0.1004 p_2a = 0.0543, p_2b = 0.0065 ω₀ = 0.0619, ω₁ = 1.000, ω₂ = 1.0000

Alternative

–7620.4248

3.6228

p < 0.05

p₀ = 0.8877, p₁ = 0.1058 p_2a = 0.0059, p_2b = 0.0007 ω₀ = 0.0621, ω₁ = 1.000, ω₂ = 21.4208