Drosophila melanogaster [gbinv]: 42417 CDS's (21945319 codons)
fields: [triplet] [frequency: per thousand] ([number])
UUU 13.2(289916)  UCU  7.0(154186)  UAU 10.8(236811)  UGU  5.4(118088)
UUC 21.8(479372)  UCC 19.6(429341)  UAC 18.4(403675)  UGC 13.2(288853)
UUA  4.5( 97715)  UCA  7.8(171695)  UAA  0.8( 17807)  UGA  0.5( 10767)
UUG 16.1(353621)  UCG 16.6(365159)  UAG  0.7( 14362)  UGG  9.9(217518)

CUU  9.0(196787)  CCU  6.9(151856)  CAU 10.8(236061)  CGU  8.8(192276)
CUC 13.8(303153)  CCC 18.1(396168)  CAC 16.2(354699)  CGC 18.0(395106)
CUA  8.2(180360)  CCA 13.5(297071)  CAA 15.6(342415)  CGA  8.4(185119)
CUG 38.2(839127)  CCG 15.8(347206)  CAG 36.1(792657)  CGG  8.2(180473)

AUU 16.6(363497)  ACU  9.5(208889)  AAU 21.0(460669)  AGU 11.5(252555)
AUC 22.9(502821)  ACC 21.3(467509)  AAC 26.2(575297)  AGC 20.4(447808)
AUA  9.5(208315)  ACA 11.0(241893)  AAA 17.0(372524)  AGA  5.1(112784)
AUG 23.6(518200)  ACG 14.4(315479)  AAG 39.5(866960)  AGG  6.3(137902)

GUU 11.0(240735)  GCU 14.4(315879)  GAU 27.6(604730)  GGU 13.3(291161)
GUC 13.9(304893)  GCC 33.6(736394)  GAC 24.6(540386)  GGC 26.7(587016)
GUA  6.4(139476)  GCA 12.8(280181)  GAA 21.1(462468)  GGA 18.0(395377)
GUG 27.8(609794)  GCG 14.0(307977)  GAG 42.5(933622)  GGG  4.7(102708)

Coding GC 53.86% 1st letter GC 55.79% 2nd letter GC 41.48% 3rd letter GC 64.32%

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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