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Table 3 ELA-DRA and DQA diversity and selection within Equus spp

From: Adaptive molecular evolution of the Major Histocompatibility Complex genes, DRA and DQA, in the genus Equus

  DRA DQA
Species d (%) d N /d S Shared/Total d (%) d N /d S Shared/Total
E. asinus 1.2 (0.4) 0.21 3/6 1.5 (0.9) 0.72 0/2
E. burchelli 1.2 (0.4) 0.23 6/11 16.9 (2.7) 0.78 4/20
E. callabus 1.4 (0.5) 0.67 1/5 13.3 (2.2) 1.10 3/21
E. grevyi 1.3 (0.7) 0.00 1/2 12.1 (3.4) 0.88 1/2
E. hemionus 1.3 (0.7) 0.81 1/2 2.7 (1.2) 0.53 0/2
E. kiang 1.3 (0.7) 0.81 2/2 8.6 (2.2) 2.36 0/3
E. przewalski n/a n/a n/a n/a n/a 1/1
E. zebra 0.8 (0.4) 0.40 4/5 12.4 (2.6) 1.27 3/4
  1. d = Mean evolutionary K2P distance; dN/dS = nonsynonymous to synonymous mutation rate ratio; Shared/Total = number of shared out of total alleles found within species of the genus Equus.