Table 5 Relative rates of non-synonymous ( d _N ) and synonymous ( d _S ) substitutions with standard errors calculated for the two MHC class IIB loci, averaged over all sites, the peptide binding region (PBR) and non-PBR according to Tong et al.[73]

0.14 ± 0.04

0.17 ± 0.05

0.80

-0.61

0.54

0.11 ± 0.04

0.11 ± 0.05

1.00

0.01

0.99

0.11 ± 0.04

0.07 ± 0.02

1.46

1.06

0.29

0.12 ± 0.04

0.14 ± 0.05

0.88

-0.33

0.74

0.57 ± 0.22

0.31 ± 0.21

1.84

1.37

0.17

0.53 ± 0.24

0.27 ± 0.20

1.95

1.05

0.30

0.41 ± 0.12

0.16 ± 0.10

2.55

2.16

0.03*

0.54 ± 0.20

0.29 ± 0.20

1.84

1.23

0.22

0.06 ± 0.02

0.14 ± 0.06

0.42

-1.64

0.10

0.04 ± 0.02

0.08 ± 0.04

0.56

-0.85

0.41

0.05 ± 0.01

0.05 ± 0.02

0.92

-0.15

0.88

0.05 ± 0.02

0.11 ± 0.04

0.47

-1.58

0.18