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Table 2 The correlation of evolutionary rate and gene feature in WRKY orthologs and paralogs

From: WRKY transcription factors in legumes

  Fop Polypeptide length GC1 GC2 GC3
Ortholog
Ks 0.09026 −0.0958 − 0.10494 − 0.0116 0.0672
Ka − 0.18988** − 0.10997 − 0.25635** − 0.25051** − 0.06667
Ka/Ks − 0.18418** − 0.15026** −0.23272** − 0.23049** −0.0526
Paralog
Ks 0.10751 0.09914 −0.08703 0.03401 −0.10284
Ka −0.36815** 0.11903 −0.24856 −0.36392** − 0.37883**
Ka/Ks −0.58738** − 0.04473 −0.2972* − 0.54631** −0.29905*
  1. Fop frequency of optimal codons, GC1 GC content at first codon positions, GC2 GC content at second codon positions, GC3 GC content at third codon positions, Ks synonymous substitution ratio, Ka nonsynonymous substitution ratio, Ka/Ks nonsynonymous to synonymous substitution ratio
  2. *indicates significance at P < 0.05; **indicates significance at P < 0.01