Table 1 Biased usage of codons of major composite amino acid residues of AaFhc compared with other full length H-fibroins.

From: Molecular architecture of silk fibroin of Indian golden silkmoth, Antheraea assama

AA Residue

Codon

A. assama

A. pernyi

A. yamamai

B. mori

Ala

GCA

67.3

58.2

57.5

18.1

GCC

3.4

6.7

9.0

10.4

GCG

14.0

20.0

18.0

0.2

GCU

15.3

14.9

15.4

71.3

Gly

GGA

30.3

26.6

28.1

39.4

GGC

27.5

27.5

28.8

4.1

GGG

0.6

4.3

3.2

1.0

GGU

41.6

41.5

39.8

55.5

Ser

AGC

1.0

1.7

3.2

13.4

AGU

9.0

11.4

10.2

1.9

UCA

69.7

57.5

61.0

68.0

UCC

7

5.1

1.6

0.6

UCG

6.6

9.8

7.6

1.7

UCU

6.6

14.5

16.5

14.3

  1. The major amino acids of H-fibroin are represented in 3-letter codes and all their possible codons represented in the second column. The values against each isocodon represent the number of times it repeats in the coding sequence of H-fibroin corresponding to the organisms.