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Table 3 Parameters estimation and likelihood ratio tests for the branch-site models

From: Genome-wide identification and expression analysis of expansin gene family in common wheat (Triticum aestivum L.)

Cluster Site class Proportion Backgroud Foregroud Positive Selected Sitesa
ɯ ɯ
EXPA 0 1 0.05125 0.05125 NONE
1 0 1 1
2a 0 0.05125 1
2b 0 1 1
EXPB 0 0.94523 0.05111 0.05111 NONE
1 0 1 1
2a 0.05477 0.05111 160.397
2b 0 1 160.397
EXLA 0 0.76842 0.05103 0.05103 166G*,169Y*,170F*,182G*
1 0 1 1
2a 0.32973 0.05103 1.52409
2b 0 1 1.52409
  1. aPositive-selection site are inferred at poster probabilities > 80%
  2. *Sites were also found to be implicated in the functional divergence
  3. Note: All sites are located on the reference sequence TaEXPA1-A based on the multiple alignment results