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Table 3 Ka-Ks calculation for each pair of AAAP paralogs in pepper

From: Identification, systematic evolution and expression analyses of the AAAP gene family in Capsicum annuum

Paralog pairs

S-sites

N-sites

Ka

Ks

Ka/Ks

Selection pressure

Duplication type

Duplication time (Mya)

CaANT1-CaANT2

304.25

970.75

0.16

0.57

0.29

Purifying selection

Tandem

40.96

CaANT2-CaANT3

305.00

976.00

0.05

0.12

0.40

Purifying selection

Tandem

8.53

CaANT1-CaANT3

304.83

970.17

0.15

0.57

0.26

Purifying selection

Tandem

40.59

CaLHT1-CaLHT3

313.75

1015.25

0.13

0.58

0.22

Purifying selection

Tandem

41.43

CaAAP1-CaAAP3

316.08

1015.92

0.07

0.14

0.50

Purifying selection

Tandem

10.37

CaANT1-CaANT4

303.58

971.42

0.11

0.82

0.14

Purifying selection

Segmental

58.87

CaAAP5-CaAAP6

351.08

1091.92

0.11

0.75

0.15

Purifying selection

Segmental

54.00

  1. S-Sites number of synonymous sites, N-Sites number of non-synonymous sites, Ka non-synonymous substitution rate, Ks synonymous substitution, Mya million years ago