Table 2 

Principal Component Analysis on Evolutionary Rate (ω) with (a) Gene Level Predictors, (b) Transcript Level Predictors, (c) Protein Level Predictors. 

a. Gene Level Predictors 

Principal Component1 
Principal Component2 



Percent of the total variance Correlation Coefficient (Spearman's ρ) with ω 
27.502 0.061** 
21.912 0.113** 
Major Contributing Factor in PCA1 

Paralogs Number Recombination Rate 
0.789 0.805 
  
Major Contributing Factor in PCA2 

Single Nucleotide Polymorphism Copy Number Variation 
  
0.995 0.713 
a. Transcript Level Predictors 

Percent of the total variance Correlation Coefficient (Spearman's ρ) with ω 
39.071 0.161** 

Major Contributing Factor in PCA1 

mRNA abundance Alternatively Spliced Exons Disorderness 
0.702 0 0.688 0.446 

c.Protein Level Predictors 

Percent of the total variance Correlation Coefficient (Spearman's ρ) with ω 
69.095 0.321*** 

Major Contributing Factor in PCA1 

Fraction of Phosphorylation Residues Proportion of Buried Residues 
0.557 0.743 



N.B.: * denotes P < 10^{3}; ** denotes P < 10^{6}; *** denotes P < 10^{9}. 

Podder and Ghosh BMC Evolutionary Biology 2012 12:10 doi:10.1186/147121481210 