Caenorhabditis elegans [gbinv]: 24994 CDS's (11197796 codons)
fields: [triplet] [frequency: per thousand] ([number]) 
UUU 23.3(260624)  UCU 16.7(187184)  UAU 17.5(195860)  UGU 11.2(125864)
UUC 23.9(267710)  UCC 10.6(118939)  UAC 13.7(153317)  UGC  9.1(101993)
UUA  9.8(110258)  UCA 20.6(230820)  UAA  1.6( 17653)  UGA  1.4( 15994)
UUG 20.0(224208)  UCG 12.2(136457)  UAG  0.6(  7245)  UGG 11.1(123925)

CUU 21.2(236968)  CCU  8.8( 98666)  CAU 14.1(158091)  CGU 11.2(125440)
CUC 14.8(166037)  CCC  4.4( 49300)  CAC  9.2(102747)  CGC  5.1( 57149)
CUA  7.9( 88086)  CCA 26.1(292755)  CAA 27.4(306929)  CGA 12.1(135391)
CUG 12.1(135836)  CCG  9.7(108479)  CAG 14.4(160920)  CGG  4.7( 52902)

AUU 32.2(360846)  ACU 18.9(211659)  AAU 30.2(337956)  AGU 12.1(135726)
AUC 18.9(211592)  ACC 10.4(115954)  AAC 18.3(205008)  AGC  8.4( 93596)
AUA  9.5(106074)  ACA 20.0(224368)  AAA 37.5(419559)  AGA 15.4(172826)
AUG 26.1(292175)  ACG  8.9( 99441)  AAG 25.8(289397)  AGG  4.0( 44270)

GUU 24.1(269560)  GCU 22.4(250829)  GAU 35.8(400841)  GGU 10.9(122203)
GUC 13.6(151950)  GCC 12.6(141585)  GAC 17.1(191126)  GGC  6.7( 74950)
GUA  9.8(109949)  GCA 19.8(221831)  GAA 40.8(457346)  GGA 31.7(354969)
GUG 14.3(160677)  GCG  8.2( 91816)  GAG 24.5(274607)  GGG  4.4( 49363)
Coding GC 42.93% 1st letter GC 50.00% 2nd letter GC 39.00% 3rd letter GC 39.78%
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 [CAUTION: The file is big (> 1000 entries).] (format)
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