Table 1

Accumulated Affinity between Codons

CF

1
1
2
2
2
2
2
2
2
2
2
3
3
4
4
4
4
4
6
6
6


AA
Met
Trp
Lys
Glu
Phe
Asn
Gln
His
Tyr
Asp
Cys
End
Ile
Pro
Gly
Thr
Ala
Val
Leu
Arg
Ser


1
Met
2.8
2.6
0.0
0.0
3.2
3.2
3.3
3.6
3.1
2.9
3.1
3.2
3.7
3.4
2.8
3.4
3.2
3.6
3.7
3.4
3.9
1
Trp
2.6
1.0
0.0
0.0
3.1
3.2
3.3
3.7
3.6
3.2
3.4
2.9
3.5
3.9
3.0
3.9
3.8
3.0
4.0
3.7
3.7
2
Lys
0.0
0.0
0.0
0.0
3.8
0.0
0.0
3.1
3.3
0.0
3.3
0.0
3.4
3.1
0.0
2.9
2.9
3.4
3.9
3.1
3.9
2
Glu
0.0
0.0
0.0
0.0
3.9
0.0
0.0
3.6
3.4
0.0
3.4
0.0
3.5
3.9
0.0
3.5
3.5
3.5
4.2
3.6
4.2
2
Phe
3.2
3.1
3.8
3.9
0.0
3.4
3.3
0.0
0.0
3.5
0.0
3.6
3.1
0.0
4.0
3.5
3.3
3.3
0.0
4.0
3.2
2
Asn
3.2
3.2
0.0
0.0
3.4
2.9
0.0
2.8
3.5
3.2
3.7
3.6
3.6
0.0
3.2
2.9
3.0
3.9
4.0
3.2
3.8
2
Gln
3.3
3.3
0.0
0.0
3.3
0.0
3.2
0.0
3.2
3.3
4.0
3.6
2.8
3.3
3.5
2.9
3.9
4.0
4.1
3.7
3.9
2
His
3.6
3.7
3.1
3.6
0.0
2.8
0.0
2.7
2.7
3.7
3.6
3.8
3.2
0.0
4.0
3.1
3.6
4.0
3.7
3.9
3.7
2
Tyr
3.1
3.6
3.3
3.4
0.0
3.5
3.2
2.7
3.5
3.2
3.2
3.9
3.7
0.0
3.9
3.4
3.3
4.0
3.7
3.8
4.0
2
Asp
2.9
3.2
0.0
0.0
3.5
3.2
3.3
3.7
3.2
3.2
3.5
3.4
3.8
3.7
3.4
3.5
3.5
4.0
4.0
3.9
4.2
2
Cys
3.1
3.4
3.3
3.4
0.0
3.7
4.0
3.6
3.2
3.5
3.5
3.7
3.6
3.6
4.0
3.9
4.2
3.8
3.7
4.1
3.9
3
End
3.2
2.9
0.0
0.0
3.6
3.6
3.6
3.8
3.9
3.4
3.7
3.8
4.0
3.7
3.3
3.9
3.8
3.9
4.3
3.8
4.2
3
Ile
3.7
3.5
3.4
3.5
3.1
3.6
2.8
3.2
3.7
3.8
3.6
4.0
3.9
0.0
3.8
3.6
3.2
4.0
4.0
3.8
4.0
4
Pro
3.4
3.9
3.1
3.9
0.0
0.0
3.3
0.0
0.0
3.7
3.6
3.7
0.0
3.2
4.5
3.3
4.1
4.2
3.6
4.3
3.9
4
Gly
2.8
3.0
0.0
0.0
4.0
3.2
3.5
4.0
3.9
3.4
4.0
3.3
3.8
4.5
3.5
4.2
4.3
4.0
4.5
4.2
4.4
4
Thr
3.4
3.9
2.9
3.5
3.5
2.9
2.9
3.7
3.4
3.5
3.9
3.9
3.6
3.3
4.2
3.2
3.9
4.4
4.2
4.2
4.3
4
Ala
3.2
3.8
2.9
3.5
3.3
3.0
3.9
3.6
3.3
3.5
4.2
3.8
3.2
4.1
4.3
3.9
4.5
4.4
4.3
4.4
4.3
4
Val
3.6
3.0
3.4
3.5
3.3
3.9
4.0
4.0
4.0
4.0
3.8
3.9
4.0
4.2
4.0
4.4
4.4
3.6
4.3
4.4
4.1
6
Leu
3.7
4.0
3.9
4.2
0.0
4.0
4.1
3.7
3.7
4.0
3.7
4.3
4.0
3.6
4.5
4.2
4.3
4.3
4.0
4.5
4.3
6
Arg
3.4
3.7
3.1
3.6
4.0
3.2
3.7
3.9
3.8
3.9
4.1
3.8
3.8
4.3
4.2
4.2
4.4
4.4
4.5
4.5
4.6
6
Ser
4.0
3.8
3.9
4.2
3.2
3.7
3.9
3.5
3.8
4.2
4.0
4.2
3.8
3.8
4.5
4.2
4.4
4.2
4.3
4.6
4.1

Each value is the accumulated affinity (dG) between synonymous codons corresponding to the indicated amino acids (log-kcal/mol);

CF: codon frequency/number of synonymous codons/amino acid. Highest (>4) and lowest (<3) values are indicated.

Biro Theoretical Biology and Medical Modelling 2008 5:14   doi:10.1186/1742-4682-5-14