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Table 6 Parameters estimation and likelihood ratio tests for the branch-site models

From: Soybean (Glycine max) expansin gene superfamily origins: segmental and tandem duplication events followed by divergent selection among subfamilies

Cluster Site class Proportion Backgroudɯ Foregroudɯ Positive selected sitesa
EXPA 0 0.69757 0.12227 0.12227 56Q*,133 L*,166S,169N,186A,172 L*,174 T,190S*,198S,203Q
  1 0.07472 1 1
  2a 0.20568 0.12227 1.32036
  2b 0.02203 1 1.32036
EXPB 0 0.70168 0.12941 0.12941 none
  1 0.08281 1 1
  2a 0.19276 0.12941 999
  2b 0.02275 1 999
EXLA 0 0.43399 0.12875 0.12875 none
  1 0.05093 1 1
  2a 0.46097 0.12875 999
  2b 0.0541 1 999
EXLB 0 0.49513 0.12363 0.12363 192 T*
  1 0.05939 1 1
  2a 0.39777 0.12363 999
  2b 0.04771 1 999
  1. Note: aPositive-selection sites are inferred at posterior probabilities > 95% with those reaching 99% shown in bold.
  2. *Sites were also found to be implicated in the functional divergence.