Ctenodrilus serratus [gbinv]: 12 CDS's (428 codons)
fields: [triplet] [frequency: per thousand] ([number])
UUU  2.3(     1)  UCU  4.7(     2)  UAU  4.7(     2)  UGU  2.3(     1)
UUC 25.7(    11)  UCC  4.7(     2)  UAC 28.0(    12)  UGC  9.3(     4)
UUA  2.3(     1)  UCA  7.0(     3)  UAA  0.0(     0)  UGA  0.0(     0)
UUG 32.7(    14)  UCG  9.3(     4)  UAG  0.0(     0)  UGG 14.0(     6)

CUU  4.7(     2)  CCU  7.0(     3)  CAU 11.7(     5)  CGU 14.0(     6)
CUC  9.3(     4)  CCC  0.0(     0)  CAC 32.7(    14)  CGC 42.1(    18)
CUA  9.3(     4)  CCA  0.0(     0)  CAA 18.7(     8)  CGA 28.0(    12)
CUG 56.1(    24)  CCG  2.3(     1)  CAG 42.1(    18)  CGG 18.7(     8)

AUU 14.0(     6)  ACU 14.0(     6)  AAU 18.7(     8)  AGU  0.0(     0)
AUC 53.7(    23)  ACC 16.4(     7)  AAC 39.7(    17)  AGC 11.7(     5)
AUA 21.0(     9)  ACA 18.7(     8)  AAA 39.7(    17)  AGA 23.4(    10)
AUG 14.0(     6)  ACG 11.7(     5)  AAG 60.7(    26)  AGG 18.7(     8)

GUU  2.3(     1)  GCU  9.3(     4)  GAU  2.3(     1)  GGU  2.3(     1)
GUC  0.0(     0)  GCC 23.4(    10)  GAC  9.3(     4)  GGC  4.7(     2)
GUA  2.3(     1)  GCA 11.7(     5)  GAA 28.0(    12)  GGA  2.3(     1)
GUG 11.7(     5)  GCG 11.7(     5)  GAG 51.4(    22)  GGG  7.0(     3)

Coding GC 50.00% 1st letter GC 47.66% 2nd letter GC 35.05% 3rd letter GC 67.29%

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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