Python regius [gbvrt]: 2 CDS's (768 codons)
fields: [triplet] [frequency: per thousand] ([number]) 
UUU 13.0(    10)  UCU 10.4(     8)  UAU  9.1(     7)  UGU  2.6(     2)
UUC 18.2(    14)  UCC 18.2(    14)  UAC 13.0(    10)  UGC 14.3(    11)
UUA  3.9(     3)  UCA  6.5(     5)  UAA  2.6(     2)  UGA  0.0(     0)
UUG 11.7(     9)  UCG  2.6(     2)  UAG  0.0(     0)  UGG 11.7(     9)

CUU 16.9(    13)  CCU 11.7(     9)  CAU 15.6(    12)  CGU 11.7(     9)
CUC 18.2(    14)  CCC 15.6(    12)  CAC 10.4(     8)  CGC 10.4(     8)
CUA  2.6(     2)  CCA  6.5(     5)  CAA  9.1(     7)  CGA  5.2(     4)
CUG 37.8(    29)  CCG  1.3(     1)  CAG 16.9(    13)  CGG  5.2(     4)

AUU 29.9(    23)  ACU 11.7(     9)  AAU 16.9(    13)  AGU 13.0(    10)
AUC 35.2(    27)  ACC 10.4(     8)  AAC 29.9(    23)  AGC 11.7(     9)
AUA  1.3(     1)  ACA  7.8(     6)  AAA 29.9(    23)  AGA  2.6(     2)
AUG 20.8(    16)  ACG  6.5(     5)  AAG 58.6(    45)  AGG  3.9(     3)

GUU 20.8(    16)  GCU 28.6(    22)  GAU 26.0(    20)  GGU 22.1(    17)
GUC 23.4(    18)  GCC 24.7(    19)  GAC 32.6(    25)  GGC 22.1(    17)
GUA  7.8(     6)  GCA 14.3(    11)  GAA 35.2(    27)  GGA 19.5(    15)
GUG 40.4(    31)  GCG 10.4(     8)  GAG 32.6(    25)  GGG 15.6(    12)
Coding GC 50.52% 1st letter GC 57.16% 2nd letter GC 35.94% 3rd letter GC 58.46%
Format:
Genetic codes (NCBI)
Codon Usage Table with Amino Acids
A style like CodonFrequency output in GCG Wisconsin PackageTM
CDS Search:

Keyword example: ribosomal protein / MAP kinase
List of codon usage for each CDS (format)
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