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Table 1 Model comparison: protein-by-protein analysis

From: A mechanistic stress model of protein evolution accounts for site-specific evolutionary rates and their relationship with packing density and flexibility

Potential

Model

y

x

AIC

<w( AIC)>

N prot

<R>

<pR>

pfANM

Stress

ω

MLmS

190508

0.97

206

-0.54

-0.33

 

Flexibility

ω

MSF

198662

0.03

7

0.45

-0.06

ANM

Stress

ω

MLmS

194154

0.98

209

-0.52

-0.39

 

Flexibility

ω

MSF

207258

0.02

4

0.35

-0.04

  1. NOTE: Potential is the ENM potential, Model is either the Stress Model or Flexibility Model, y is in all cases the site-specific rate of evolution inferred using Rate4Site, x is the independent variable of each model. AIC is the Akaike Information Criterion summed over all proteins. <w(AIC)> is the average of the AIC weight for each compared model (same ENM). N prot is the number of proteins for which each compared model (same ENM) is the best one. <R> is average over proteins of Pearson’s correlation coefficient between variables y and x. <pR> is the average partial correlation coefficient when controlling for the x variable of the contrasting model (same ENM). All variables were z-score normalized for each protein before fitting.