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Table 1 Likelihood estimates of Subtilisin (S08.005) gene family for site models in PAML

From: Phylogenetic analyses reveal molecular signatures associated with functional divergence among Subtilisin like Serine Proteases are linked to lifestyle transitions in Hypocreales

Model

np

Parameter estimates (Proportion p, omega ω)

lnL

LRT pairs

df

2ΔlnL

P

Positively selected sites (BEB)

site model

M0:one ratio

106

ω = 0.13223

−28649.08

M0/M3

4

0

1

 

Model M3:Discrete

110

p 0  = 0.00000

−28649.08

     

p 1 = 0.00000

p 2 = 1.00000

ω 0 = 0.00000

ω1 = 0.00000

ω2 = 0.13223

M1a(neutral)

107

p 0  = 0.00001

−30002.75

M1a/M2a

2

86.44

0.00

 

p 1 = 0.99999

ω0 = 0.00001

ω1 = 1.00000

Model 2a: Positive Selection

109

p 0  = 0.00000

−29959.53

    

4D*,5Q*,160S*,187G*

p 1 = 0.87583

p 2 = 0.12417,

ω 0 = 0.00000

ω1 = 1.00000

ω 2   = 2.09472

Model 7: beta

107

p = 2.04966

−28245.05

M7/M8

2

3515.4

0.00

 

q = 9.83402

Model 8 :

109

p 0  = 0.00001

−30002.75

     
 

p = 0.00500

 

q = 1.23069

 

p 1 = 0.99999

 

ω = 1.00000

  1. Selection analysis by site models. np: number of free parameters. lnL: log likelihood. LRT: likelihood ratio test. df: degrees of freedom. 2∆lnL: twice the log-likelihood difference of the models compared. The significant tests at 95 % cut off are labeled with*. Bold: P < 0.05