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. 2013 Sep 3;8(9):e74185. doi: 10.1371/journal.pone.0074185

Table 1. Summary of sequence variation of MHC DAB in the Chinese egret.

Snt SAA π dN dS dN/dS p z
PBR sites
Egeu-DAB1 27 14 0.198±0.036 0.237±0.063 0.081±0.042 2.93 0.019 2.033
Egeu-DAB2 17 8 0.148±0.033 0.153±0.043 0.142±0.058 1.08 0.693 0.279
Egeu-DAB3 - - - - - - - -
Egeu-DAB4 13 7 0.129±0.037 0.122±0.052 0.159±0.070 0.77 0.477 -0.634
Non-PBR sites
Egeu-DAB1 32 18 0.067±0.012 0.068±0.018 0.057±0.022 1.19 0.650 0.455
Egeu-DAB2 16 12 0.042±0.011 0.043±0.012 0.042±0.022 1.38 0.981 0.024
Egeu-DAB3 - - - - - - - -
Egeu-DAB4 18 10 0.065±0.015 0.053±0.018 0.076±0.037 0.70 0.598 -0.529

Total size 270 bp (90 residues) for all sites, 72 bp (24 residues) for PBR sites and 198 bp (66 residues) for non-PBR sites; S number of variable nucleotide (nt) or amino acid (AA) sites; π nucleotide diversity ± SE; d average rate of nonsynonymous (dN) or synonymous (dS) substitutions per site ± SE; z the Z test of positive selection.