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Table 4 Functional divergence between subfamilies of the expansin gene superfamily in soybean

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

Group I Group II Type-I LRT Qk > 0.95 Critical amino acid sites Type-II Qk > 0.95 Critical amino acid sites
θI ± s.e. θII ± s.e.
EXPA EXPB 0.498 ± 0.079 39.742 3 84C,145 V,172 L -0.023 ± 0.259 15 62 T,65 L,103 F,104C,121P,122 M,141G,
         143 V,160 F,176 V,177G,190*S,191R,207S
EXPA EXLB 0.783 ± 0.082 91.136 17 45G,54Y,61 N,84C,102 N,104C, 0.136 ± 0.278 53 18A,45G,54Y,56*Q,60 T,61 N,65 L,67 T,69 L,
      161 T,165H,167Y,172*L,176 V,    72 N,75S,76C,82I,102 N,104C,106P,107 N,
      181D,184*G,185 V,191R,201 W,    120P,125 F,126D,127 L,133*L,137Q,138Y,
      202G    145 V,147Y,154R,155R,160 F,162I,165H,
         168 F,170 L,175 N,176 V,180G,181D,185 V,
         187I,189G,191R,192*T,196*P,199R,201 W,
         204 N,205 W,207S,208 N,209 N,210Y,213G
EXPB EXLB 0.572 ± 0.141 14.448 0 none -0.081 ± 0.298 13 54Y,63A,67 T,103 F,106P,121P,125 F,126D,
         134R,137R,140A,175 N
  1. Note: θI and θII, the coefficients of Type-I and Type-II functional divergence;
  2. LRT, Likelihood Ratio Statistic;
  3. Qk, posterior probability;
  4. *Sites also responsible for the positive selection;
  5. Sites in bold means they are responsible for both type-I and type-II functional divergence.