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Table 1 Base composition of codons in the chloroplast genome of ten Epimedium species. GC1, GC2 and GC3 represent the GC content at the first, second and third position; L_aa: the total number of amino acids

From: Comparative analysis of codon usage patterns in chloroplast genomes of ten Epimedium species

Species

GC%

GC1%

GC2%

GC3%

CDSs number (before filtering)

CDSs number (after filtering)

L_aa

Epimedium koreanum

39.08

47.15

38.23

31.84

80

45

20,018

Epimedium acuminatum

38.82

46.29

37.91

32.24

84

57

24,162

Epimedium hunanense

38.98

46.67

37.84

32.42

83

49

23,165

Epimedium sagittatum

38.95

46.60

37.90

32.34

83

52

23,442

Epimedium leptorrhizum

38.86

46.43

37.91

32.23

83

52

23,089

Epimedium pubescens

39.01

46.73

37.82

32.47

85

47

22,895

Epimedium myrianthum

38.91

46.44

37.99

32.29

83

57

23,917

Epimedium wushanense

39.01

46.71

37.83

32.48

83

46

22,797

Epimedium brevicornu

39.01

46.68

37.90

32.44

85

48

22,979

Epimedium coactum

38.91

46.47

37.97

32.29

83

56

23,858