Table 1 Nucleotide and amino acid changes in 13 PCGs of the donkey and horse.

From: Equus mitochondrial pangenome reveals independent domestication imprints in donkeys and horses

gene

Length (bp)

Number of site substitutions

Ratio of site substitutions (%)

Number of amino acid variations

atp6

678

49

7.2

6

atp8

201

15

7.5

6

cox1

1542

90

5.8

1

cox2

681

42

6.2

1

cox3

783

47

6.0

1

cytb

1137

72

6.3

4

nad1

954

57

6.0

4

nad2

1038

82

7.9

14

nad3

345

21

6.1

1

nad4

1377

96

7.0

5

nad4L

294

20

6.8

2

nad5

1812–1818

141

7.8

16

nad6

525

29

5.5

7

Total

11,367–11,373

761

6.7

68

  1. Significant values are in bold.