Norwalk virus Hu/NV/Chiba/030100/2003/JP [gbvrl]: 2 CDS's (764 codons)
fields: [triplet] [frequency: per thousand] ([number]) 
UUU 24.9(    19)  UCU 35.3(    27)  UAU 15.7(    12)  UGU  6.5(     5)
UUC 19.6(    15)  UCC 14.4(    11)  UAC  9.2(     7)  UGC  5.2(     4)
UUA 14.4(    11)  UCA 32.7(    25)  UAA  1.3(     1)  UGA  1.3(     1)
UUG 19.6(    15)  UCG  2.6(     2)  UAG  0.0(     0)  UGG 11.8(     9)

CUU 14.4(    11)  CCU 27.5(    21)  CAU  7.9(     6)  CGU  1.3(     1)
CUC  7.9(     6)  CCC 20.9(    16)  CAC 13.1(    10)  CGC  7.9(     6)
CUA 14.4(    11)  CCA 31.4(    24)  CAA 32.7(    25)  CGA  2.6(     2)
CUG 11.8(     9)  CCG  1.3(     1)  CAG 17.0(    13)  CGG  3.9(     3)

AUU 22.3(    17)  ACU 19.6(    15)  AAU 40.6(    31)  AGU  9.2(     7)
AUC 17.0(    13)  ACC 19.6(    15)  AAC 20.9(    16)  AGC  3.9(     3)
AUA 10.5(     8)  ACA 24.9(    19)  AAA  7.9(     6)  AGA 10.5(     8)
AUG 26.2(    20)  ACG  6.5(     5)  AAG 15.7(    12)  AGG 15.7(    12)

GUU 19.6(    15)  GCU 27.5(    21)  GAU 28.8(    22)  GGU 30.1(    23)
GUC 14.4(    11)  GCC 20.9(    16)  GAC 13.1(    10)  GGC 22.3(    17)
GUA  9.2(     7)  GCA 28.8(    22)  GAA 17.0(    13)  GGA 11.8(     9)
GUG 22.3(    17)  GCG  5.2(     4)  GAG 11.8(     9)  GGG 15.7(    12)
Coding GC 47.03% 1st letter GC 51.44% 2nd letter GC 47.91% 3rd letter GC 41.75%
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