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Table 1 Log Likelihood (l) values and parameter estimates under different models (branch models) in PAML

From: Adaptive evolution in the toxicity of a spider’s venom enzymes

Model

l

ω0

ωL

ωG

A. One Ratio: ω0 = ωL = ωG

−28843.35

0.254

ω0

ω0

B. Two Ratios: ω0 = ωG; ωL

−28825.10

0.241

0.466

ω0

C. Two Ratios: ω0 = ωL; ωG

−28842.52

0.254

ω0

0.996

D. Two Ratios: ω0; ωL = ωG

−28824.44

0.241

0.469

ωL

E. Three Ratios: ω0; ωL; ωG

−28824.20

0.241

0.466

0.997

F. Two Ratios: ω0 = ωG; ωL = 1

−28848.59

0.241

1.000

ω0

G. Two Ratios: ω0 = ωL; ωG = 1

−28842.71

0.254

ω0

1.000

H. Two Ratios: ω0; ωL = ωG = 1

−28847.69

0.241

1.000

1.000

I. Three Ratios: ω0; ωG; ωL = 1

−28848.56

0.241

1.000

1.000

J. Three Ratios: ω0; ωG = 1; ωL

−28824.20

0.241

0.466

1.000

K. Free Ratio

−28505.20

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