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Table 4 Synonymous codon usage bias for the whole coding sequence of PRRSV

From: Mapping codon usage of the translation initiation region in porcine reproductive and respiratory syndrome virus genome

aAA Codon bCUB ij AAa Codon bCUB ij
Ala GCA -0.143 Leu CUA -0.490
  GCC 0.309   CUC 0.164
  GCG -0.350   CUG 0.377
  GCU 0.184   CUU 0.096
Arg AGA -0.107   UUA -0.670
  AGG 0.092   UUG 0.522
  CGA -0.258 Lys AAA -0.003
  CGC 0.411   AAG 0.003
  CGG 0.012 Phe UUC -0.083
  CGU -0.149   UUU 0.083
Asn AAC 0.040 Pro CCA 0.047
  AAU -0.04   CCC 0.059
Asp GAC -0.045   CCG -0.198
  GAU 0.045   CCU 0.092
Cys UGC 0.001 Ser AGC -0.128
  UGU -0.001   AGU -0.194
Gln CAA -0.018   UCA 0.075
  CAG 0.018   UCC 0.418
Glu GAA -0.116   UCG -0.317
  GAG 0.116   UCU 0.145
Gly GGA -0.441 Thr ACA -0.031
  GGC 0.369   ACC 0.439
  GGG 0.016   ACG -0.347
  GGU 0.056   ACU -0.061
His CAC -0.153 Tyr UAC 0.174
  CAU 0.153   UAU -0.174
Ile AUA -0.234 Val GUA -0.635
  AUC 0.166   GUC 0.110
  AUU 0.068   GUG 0.406
     GUU 0.118
  1. a mean amino acid
  2. bThe CUB ij value was calculated following by the equation: CUB ij = RSCU ij -RSCU 0 , and RSCU ij value came from the previous study [30].