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Table 6 Non-synonymous amino acid substitutions, antigen binding sites and selected amino acid sites within the MHC class II loci analyzed

From: Genetic diversity, evolution and selection in the major histocompatibility complex DRB and DQB loci in the family Equidae

Gene

Lenght (AA)

No of variants

No of ABS

No of SAAS

DRB1

86

68

36

28

DRB2

86

42

21

9

DRB3

86

25

11

1

DQB1

89

67

27

24

DQB2

89

43

15

13

DQB2-like

89

22

16

4

DQB3

89

7

1

0