Table 1 Codon usage bias in the 141 9-nt tripeptide repeat coding sequences in G. morhua AFGP gene Gm1-1
From: Protein genes in repetitive sequence—antifreeze glycoproteins in Atlantic cod genome
Codon 1 (Ala/Pro) | Codon 2 (Ala) | Codon 3 (Thr/Arg) | |||||||
|---|---|---|---|---|---|---|---|---|---|
nt/position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
G | 122 | 0 | 45 | 141 | 0 | 0 | 2 | 4 | 0 |
A | 0 | 0 | 45 | 0 | 0 | 20 | 139 | 0 | 68 |
C | 19 | 141 | 49 | 0 | 141 | 121 | 0 | 137 | 25 |
T | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 48 |
Predominant nt | G | C | C/G/A | G | C | C | A | C | A/T |
% | 86.5 | 100 | 34.6/31.9/31.9 | 100 | 100 | 86.4 | 98.6 | 97.2 | 48.2/34.0 |