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Table 6 Codeml selection analysis using the beta (M7) and the beta plus selection (M8) models

From: RNA-seq and high-definition mass spectrometry reveal the complex and divergent venoms of two rear-fanged colubrid snakes

Toxins

n/model

M0:w

M7:-lnL

M8: beta w/positive selection

-lnL

P

SVMP-MP

18

1.15

4,097.97

p: (0.75, 0.25)

4,036.79

2.7×10−27

 

GTR+G

  

w: 3.78

  

SVMP-DIS

18

1.29

1,389.94

p: (0.84, 0.16)

1,357.74

1.0×10−14

 

HKY+G

  

w: 3.29

  

SVMP-ACR

18

1.39

2,197.91

p: (0.77, 0.23)

2,133.66

1.2×10−28

 

HKY+G

  

w: 5.97

  

3FTx

11

1.78

1,300.92

p: (0.60, 0.40)

1,269.86

3.2×10−14

 

SYM+G

  

w: 6.64

  

CTL

12

0.53

3,913.45

p: (0.79, 0.21)

3,892.88

1.2×10−9

 

K80+I+G

  

w: 2.57

  

Ficolin

7

0.37

4,468.63

p: (0.99, 0.01)

4,456.99

8.8×10−6

 

GTR+G

  

w: 43.40

  
  1. Abbreviations: SVMP–snake venom metalloproteinase, MP–metalloproteinase domain, DIS–disintegrin domain, ACR–cysteine-rich domain, 3FTx–three-finger toxin, CTL–C-type lectin, w–ratio of nonsynonyous to synonymous substitution rates, lnL–log likelihood, n–number of sequences.