Table 4 Codon usage pattern of 13 mitochondrial protein-coding genes of a sea spider, Achelia bituberculata

Phe

UUU

290

Ser

UCU

104

Tyr

UAU

159

Cys

UGU

23

(GAA)

UUC

39

(UGA)

UCC

13

(GUA)

UAC

28

(GCA)

UGC

7

Leu

UUA

367

UCA

101

Ter

UAA

2

Trp

UGA

81

(UAA)

UUG

48

UCG

7

UAG

2

(UCA)

UGG

10

Leu

CUU

57

Pro

CCU

62

His

CAU

61

Arg

CGU

15

(UAG)

CUC

4

(UGG)

CCC

11

(GUG)

CAC

6

(UCG)

CGC

1

CUA

54

CCA

41

Gln

CAA

50

CGA

29

CUG

10

CCG

5

(UUG)

CAG

8

CGG

4

Ile

AUU

365

Thr

ACU

87

Asn

AAU

176

Ser

AGU

39

(GAU)

AUC

33

(UGU)

ACC

8

(GUU)

AAC

40

(UCU)

AGC

9

Met

AUA

288

ACA

37

Lys

AAA

94

AGA

63

(CAU)

AUG

75

ACG

6

(UUU)

AAG

14

AGG

17

Val

GUU

84

Ala

GCU

64

Asp

GAU

56

Gly

GGU

65

(UAC)

GUC

9

(UGC)

GCC

12

(GUC)

GAC

10

(UCC)

GGC

9

GUA

85

GCA

33

Glu

GAA

60

GGA

84

GUG

23

GCG

3

(UUC)

GAG

14

GGG

34