Spodoptera frugiperda Codon Usage Table

See the most used codons, highest-fraction synonymous codons, and full codon usage frequencies for Spodoptera frugiperda.

Use frequency to find the most common codons in this organism, and use fraction to compare synonymous codon preference within the same amino acid family.

Escherichia coli Saccharomyces cerevisiae Arabidopsis thaliana Caenorhabditis elegans Cricetulus griseus Drosophila melanogaster Homo sapiens Spodoptera frugiperda Mus musculus Nicotiana tabacum Pichia pastoris Sus scrofa Rattus norvegicus Streptomyces Zea mays

Choose Organism and Display

These settings control the summary cards and the full codon usage table below.

Top Codons by Frequency

Codons ranked by frequency per 1,000 codons in the selected organism.

AAG

Amino acid: K

Fraction 0.69

Freq 57.2

GAG

Amino acid: E

Fraction 0.59

Freq 36.2

GAC

Amino acid: D

Fraction 0.63

Freq 32.9

ATC

Amino acid: I

Fraction 0.59

Freq 30.4

AAC

Amino acid: N

Fraction 0.71

Freq 28.3

TTC

Amino acid: F

Fraction 0.75

Freq 27.3

GCT

Amino acid: A

Fraction 0.36

Freq 27.0

ATG

Amino acid: M

Fraction 1.00

Freq 26.8

Top Codons by Fraction

Synonymous codons ranked by fraction. Stop codons and single-codon amino acids are excluded.

TTC

Amino acid: F

Fraction 0.75

Freq 27.3

TAC

Amino acid: Y

Fraction 0.75

Freq 24.1

AAC

Amino acid: N

Fraction 0.71

Freq 28.3

AAG

Amino acid: K

Fraction 0.69

Freq 57.2

CAC

Amino acid: H

Fraction 0.68

Freq 16.6

TGC

Amino acid: C

Fraction 0.65

Freq 12.8

GAC

Amino acid: D

Fraction 0.63

Freq 32.9

CAG

Amino acid: Q

Fraction 0.61

Freq 23.3

Preferred Codons by Amino Acid

One preferred codon per amino acid, ranked by frequency to surface practical defaults.

AAG

Amino acid: K

Fraction 0.69

Freq 57.2

GAG

Amino acid: E

Fraction 0.59

Freq 36.2

GAC

Amino acid: D

Fraction 0.63

Freq 32.9

ATC

Amino acid: I

Fraction 0.59

Freq 30.4

AAC

Amino acid: N

Fraction 0.71

Freq 28.3

TTC

Amino acid: F

Fraction 0.75

Freq 27.3

GCT

Amino acid: A

Fraction 0.36

Freq 27.0

ATG

Amino acid: M

Fraction 1.00

Freq 26.8

Spodoptera frugiperda (Insect/SF9): (Genetic code: Standard)

Print-friendly 2-column table in genetic code order. Frequency is shown per 1,000 codons.

Triplet	Amino acid	Fraction	Frequency/Thousand	Number	Triplet	Amino acid	Fraction	Frequency/Thousand	Number
TTT TTC TTA TTG	F F L L	0.25 0.75 0.07 0.20	9.2 27.3 5.7 15.9	263 786 165 458	TCT TCC TCA TCG	S S S S	0.19 0.24 0.16 0.12	10.8 14.1 9.2 7.2	310 405 264 208
TAT TAC TAA TAG	Y Y * *	0.25 0.75 0.68 0.15	8.1 24.1 2.8 0.6	232 694 81 18	TGT TGC TGA TGG	C C * W	0.35 0.65 0.17 1.00	6.9 12.8 0.7 11.3	199 369 20 325
CTT CTC CTA CTG	L L L L	0.13 0.22 0.08 0.31	10.3 18.1 6.1 25.2	297 521 175 724	CCT CCC CCA CCG	P P P P	0.29 0.31 0.24 0.16	14.3 14.8 11.5 7.9	410 425 331 226
CAT CAC CAA CAG	H H Q Q	0.32 0.68 0.39 0.61	7.9 16.6 15.2 23.3	226 476 437 671	CGT CGC CGA CGG	R R R R	0.25 0.24 0.08 0.05	17.2 16.4 5.5 3.4	495 472 157 98
ATT ATC ATA ATG	I I I M	0.29 0.59 0.12 1.00	15.1 30.4 6.0 26.8	434 873 173 770	ACT ACC ACA ACG	T T T T	0.27 0.36 0.21 0.16	13.8 18.5 10.7 8.2	397 531 308 235
AAT AAC AAA AAG	N N K K	0.29 0.71 0.31 0.69	11.7 28.3 26.0 57.2	336 814 746 1,644	AGT AGC AGA AGG	S S R R	0.12 0.17 0.16 0.21	6.7 10.1 11.2 14.3	194 289 322 411
GTT GTC GTA GTG	V V V V	0.20 0.30 0.15 0.35	14.2 21.4 10.8 25.4	407 614 310 731	GCT GCC GCA GCG	A A A A	0.36 0.30 0.16 0.18	27.0 22.7 11.8 13.3	775 653 339 381
GAT GAC GAA GAG	D D E E	0.37 0.63 0.41 0.59	19.1 32.9 25.0 36.2	550 947 718 1,041	GGT GGC GGA GGG	G G G G	0.36 0.32 0.27 0.05	23.1 20.6 17.8 3.3	663 592 511 96

Showing 64 entries for Spodoptera frugiperda (Insect/SF9).

Frequency is measured per 1,000 codons. Fraction compares codons that encode the same amino acid.

Questions this table can answer

Which codons are most common in Spodoptera frugiperda?

Which synonymous codons are preferred in Spodoptera frugiperda?

Which codons should be checked before expression design?

How to use this page

Use the summary cards to find the most used and highest-fraction codons quickly.

Switch sorting in the full table when you want to compare by frequency, fraction, or count.

Use the full organism list and search codons/amino acids on the Codon Usage Frequency Table.

FAQ

What are the most used codons in Spodoptera frugiperda?

Use the "Most Used Codons" section to see which codons appear most often in Spodoptera frugiperda. The ranking is based on frequency per 1,000 codons.

Which codons have the highest fraction in Spodoptera frugiperda?

Use the "Highest Fraction Codons" section to compare synonymous codons for the same amino acid. Single-codon amino acids and stop codons are excluded so the ranking reflects codon preference rather than trivial 1.00 values.

What is the difference between codon frequency and codon fraction in Spodoptera frugiperda?

Frequency measures how often a codon appears per 1,000 codons in the dataset. Fraction measures how strongly that codon is preferred relative to alternative codons encoding the same amino acid.

How should I use this Spodoptera frugiperda codon usage table for optimization?

Start with the preferred-codon summaries to identify likely defaults, then review the full table below before making codon optimization or expression design decisions.