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. 2002 Jun;12(6):944–955. doi: 10.1101/gr.213402

Table 6.

Synonymous Codon Frequencies for RefSeq NM_000065 Relative to Pooled Synonymous Codon Frequenceies for 10862 Human RefSeqs

Amino acid Codon number


1 2 3 4 5 6






PHE 1.435 0.623
LEU 1.110 0.693 1.430 0.630 1.893 1.696
ILE 1.267 0.704 1.264
MET 1.000
VAL 1.276 1.183 1.771 0.602
SER 1.365 0.841 1.775 0.215 1.094 0.502
PRO 0.969 0.870 1.506 0.205
THR 1.373 0.695 1.335 0.323
ALA 1.222 0.876 1.412 0.000
TYR 1.083 0.934
HIS 1.627 0.545
GLN 1.643 0.769
ASN 1.186 0.833
LYS 1.369 0.720
ASP 1.133 0.881
GLU 1.516 0.609
CYS 1.199 0.833
TRP 1.000
ARG 0.509 0.681 1.117 0.414 1.843 1.163
GLY 0.917 0.624 1.618 0.940