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
42
21
9
DRB3
25
11
1
DQB1
89
67
27
24
DQB2
43
15
13
DQB2-like
22
16
4
DQB3
7
0