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

m-RNA 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:10.1186/1471-2148-12-10

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