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Table 3 Frequency of tRNA genes in human cells for highly biased codons in H1N1 pdm IAV*

From: Pandemic influenza A virus codon usage revisited: biases, adaptation and implications for vaccine strain development

AA

Cod

Anticodon isotypes (tRNA count by anticodon)

Total tRNA anticodon count

Ala

GCA

UGC(9), AGC(29), GGC(0), CGC(5)

43

Arg

AGA & AGG

UCU(6), CCU(5), ACG(7), GCG(0), CCG(4), UCG(6)

28

Gln

CAA

UUG(11), CUG(21)

32

Glu

GAA

UUC(13), CUC(13)

26

Gly

GGA

UCC(9), GCC(15), CCC(7), ACC(0)

31

His

CAU

AUG(0), GUG(11)

11

Ile

AUA

UAU(5), AAU(14), GAU(8)

27

Leu

CUA

UAG(3), AAG(12), CAG(10), CAA(7), UAA(7), GAG(0)

39

Pro

CCA

UGG(7), AGG(10), GGG(0), CGG(4)

21

Ser

UCA

UGA(5), AGA(11), GGA(0), CGA(4), ACU(0),GCU(8)

28

Thr

ACA

UGU(6), AGU(10), GGU(0), CGU(6)

22

Val

GUA

UAC(5), CAC(16), AAC(11), GAC(0)

32

  1. * Highly biased codons in H1N1 pdm IAV (as defined in Table 1) and their respective anticodons are shown in bold. AA, amino acid; Cod, codons.