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Table 3 Molecular evolutionary analysis of the MAPKK genes using their whole cDNA sequences

From: Comparative analysis of plant MKK gene family reveals novel expansion mechanism of the members and sheds new light on functional conservation

Group N Ka Ks ώ G + C content
A 125 0.17697 0.77494 0.228 0.442
A* 109 0.17783 0.76908 0.231 0.418
B 52 0.12819 0.73971 0.173 0.436
B* 42 0.13438 0.63808 0.211 0.437
C 69 0.33292 0.17082 1.949 0.563
C* 56 0.31983 0.23440 1.364 0.531
D 75 0.37734 0.10843 3.48 0.518
E 42 0.39775 0.28353 1.403 0.591
E 21 0.30844 0.22131 1.394 0.711
  1. N, number of sequences; Ka, the number of nonsynonymous substitutions per nonsynonymous site; Ks, the number of synonymous substitutions per synonymous site; ώ, Ka/Ks. Sequences from dicots were excluded. *Sequences from monocots were excluded