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Table 3 Clade Model Tests (CmC) for divergence partitioned by snakes phylogeny and by daily activity pattern

From: Characterization of the melanopsin gene (Opn4x) of diurnal and nocturnal snakes

Model

np

ln L

κ

Parameters

BIC

 

LRT

df

P

M2_rel

60

−6417.6

3.38

ω0 = 0.00 (p0 = 0.24); ω1 = 1.0 (p1 = 0.30); ω2 = 0.15 (p2 = 0.46)

12,996.9

–

   

CmC: 4 part (phylo)

63

− 6399.2

3.36

ω0 = 0.00 (p0 = 0.26); ω1 = 1.0 (p1 = 0.31); ω2 = 0.19 (p2 = 0.45); Hen: ω = 0.58; Vip: ω = 0.34; Elap: ω = 0.19; Col: ω = 0.03 (p = 0.44)

12,968.2

M2_rel

36.8

3

0.000

3 part (phylo)

5.36

1

0.021

3 part (D x N)

11.7

1

0.001

2 part (phylo)

16.9

2

0.000

CmC: 3 part (phylo)

62

− 6401.9

3.38

ω0 = 0.03 (p0 = 0.4); ω1 = 1.0 (p1 = 0.3); Hen: ω = 0.84; Vip: ω = 0.5; Col+Elap: ω = 0.03 (p = 0.3)

12,970.9

M2_rel

31.5

2

0.000

2 part (phylo)

11.5

1

0.001

2 part (D x N)

14.3

1

0.000

CmC: 2 part (phylo)

61

− 6407.6

1.75

ω0 = 0.00 (p0 = 0.29); ω1 = 1.0 (p1 = 0.30); Hen: ω = 0.63; Caen: ω = 0.11 (p = 0.46)

12,979.7

M2_rel

19.9

1

0.000

CmC 3 part (D x N)

62

− 6404.8

3.37

ω0 = 0.00 (p0 = 0.26); ω1 = 1.0 (p1 = 0.29); Hen: ω2 = 0.56; N: ω = 0.2; D: ω = 0.06 (p = 0.45)

12,977.3

M2_rel

25.1

2

0.000

2 part (phylo)

5.7

1

0.017

2 part (D x N)

7.7

1

0.004

CmC 2 part (D x N)

61

− 6408.9

3.38

ω0 = 0.00 (p0 = 0.19); ω1 = 1.0 (p1 = 0.3); N: ω2 = 0.24; D: ω = 0.05 (p = 0.51)

12,982.2

M2_rel

17.4

1

0.000

  1. np number of parameters, ln L ln likelihood, κ transition/transversion ratio, BIC Bayesian information criterion, LRT likelihood ratio test, df degrees of freedom, phylo phylogenetic partition, D diurnal, N nocturnal, Hen Henophidia, Caen Caenophidia, Vip Viperidae, Elap Elapidae, Col Colubridae