Python molurus [gbvrt]: 2 CDS's (236 codons)
fields: [triplet] [frequency: per thousand] ([number]) 
UUU 21.2(     5)  UCU 38.1(     9)  UAU 16.9(     4)  UGU  0.0(     0)
UUC 12.7(     3)  UCC 25.4(     6)  UAC  8.5(     2)  UGC  8.5(     2)
UUA 16.9(     4)  UCA  8.5(     2)  UAA  8.5(     2)  UGA  0.0(     0)
UUG 21.2(     5)  UCG  0.0(     0)  UAG  0.0(     0)  UGG 12.7(     3)

CUU 16.9(     4)  CCU 16.9(     4)  CAU 12.7(     3)  CGU  8.5(     2)
CUC 16.9(     4)  CCC  0.0(     0)  CAC 21.2(     5)  CGC  4.2(     1)
CUA 12.7(     3)  CCA 12.7(     3)  CAA 16.9(     4)  CGA 12.7(     3)
CUG 33.9(     8)  CCG  8.5(     2)  CAG 55.1(    13)  CGG 12.7(     3)

AUU 12.7(     3)  ACU  4.2(     1)  AAU 21.2(     5)  AGU 16.9(     4)
AUC 21.2(     5)  ACC 12.7(     3)  AAC  8.5(     2)  AGC 21.2(     5)
AUA  8.5(     2)  ACA 12.7(     3)  AAA 12.7(     3)  AGA 25.4(     6)
AUG 33.9(     8)  ACG  4.2(     1)  AAG 21.2(     5)  AGG  8.5(     2)

GUU 12.7(     3)  GCU 25.4(     6)  GAU 42.4(    10)  GGU  4.2(     1)
GUC  4.2(     1)  GCC 38.1(     9)  GAC 21.2(     5)  GGC 16.9(     4)
GUA  4.2(     1)  GCA  4.2(     1)  GAA 29.7(     7)  GGA 38.1(     9)
GUG 16.9(     4)  GCG  8.5(     2)  GAG 12.7(     3)  GGG 12.7(     3)
Coding GC 49.44% 1st letter GC 55.51% 2nd letter GC 42.37% 3rd letter GC 50.42%
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)
Homepage