Table 1 Statistics for the Ka/Ks values obtained either with the Mechanistic Empirical model (MEC) or with Random Effects Likelihood (REL) estimates

MEC ka/ks

quantil 25%

0.10

0.0067

0.29

0.26

0.19

0.44

0.26

0.15

median

0.40

0.036

0.90

0.88

0.65

0.92

0.8

0.61

quantil 90%

1.0

0.19

1.7

1.4

1.7

2.2

1.2

1.7

maximum value

1.9

0.34

3.6

3.8

2.4

3.5

2.6

2.4

REL dN‒dS

percentage of sites under positive|puryfying selection

5.4|34

0|100

1.0|15

7.5|14

5.0|12

2.0|8.2

16|13

6.8|12