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Table 1 Functional divergence between subfamilies of the expansins

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

Group I Group II Type-I θI ± s.e. LRT Qk> 0.80 Critical amino acid sites
EXPA EXPB 0.510± 0.074 41.57095 6 131E,139Q,144I,146P,161R, 164I
EXPA EXlA 1.045± 0.153 42.87446 46 83E,84L,85R,126H,127F,128D,129M,130A,131E,132P,133A,134F,135L,136H,137I,138A,139Q,141R,143G,144I,145V,146P,147V,148S,152F,156K,157K,158G,160I,161R,163T,164I,165N,166G*,168S,169Y*,170F*,171N,182G*,183D,184A,185Q,186S,187V,188S,189I
EXPB EXlA 1.152±0.148 45.60237 45 83E,84L,85R,126H,127F,128D,129M,130A,131E,132P,133A,134F,135L,136H,137I,138A,139Q,141R143G,144I,145V,146P,147V,148S,152F,156K,157K,158G,160I,161R,163T,164I,165N,166G*,168S,169Y*,170F*,171N,182G*,183D,184A,185Q,186S,187V,188S,189I
  1. LRT Likelihood Ratio Statistic, Qk posterior probability; *Sites also responsible for the positive selection
  2. Note: All sites are located on the reference sequence TaEXPA1-A based on the multiple alignment results