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Table 2 Numbers of exon 2 nucleotide sequences identified in individual equid species and sub-species

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

Species/Sub-species No. of individuals No. of exon 2 sequences (No. of sequences shared by at least two species/sub-species)
DRB1 DRB2 DRB3 DQB1 DQB2 DQB2-like DQB3
E. caballus 11 2 6 (1) 3 5 5 (1) 1 4 (2)
E. ferus przewalskii 3 0 2 (1) 0 1 (1) 2 (1) 0 4 (3)
E. grevyi 2 1 1 1 1 (1) 1 0 2 (1)
E. zebra hartmannae 2 0 1 (1) 1 (1) 1 (1) 1 1 (1) 1 (1)
E. quagga burchellii 2 1 1 (1) 2 2 1 1 (1) 3 (2)
E. quagga boehmi 2 1 1 1 1 1 0 1 (1)
E. quagga chapmani 2 1 1 2 (1) 2 (1) 1 2 2 (1)
E. quagga borensis 2 1 2 1 (1) 1 (1) 1 1 2 (1)
E. asinus asinus 2 1 1 2 0 1 0 1 (1)
E. africanus somaliensis 2 1 2 2 1 3 2 3 (2)
E. kiang 2 2 1 1 2 1 1 (1) 3 (2)
E. hemionus kulan 2 1 2 3 2 (1) 0 2 2
No. of sequences (No. of sequences shared by at least two species/sub-species) 12 (0) 19 (2) 15 (1) 14 (1) 16 (1) 9 (1) 13 (4)
No. of amino acid sequences (No. of sequences with stop codon / frame-shift deletion) 12 (0/0) 19 (2/0) 14 (0/0) 14 (2/1) 16 (0/0) 9 (0/0) 10 (0/0)