🧬 Codon Usage Analyzer
DNA Sequence (CDS only)
Analyze
Clear
Codon
AA
Count
%
CAI
Bar
Enter sequence and click Analyze
Analysis Options
Frame 1
Frame 2
Frame 3
Organism Type
Generic
Human
E. coli
S. cerevisiae
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Short
Medium
Long
Sequence:
0 bp
Codons:
0
GC%:
0%
GC3%:
0%
CAI:
0.00
Codon Usage:
Frequency analysis (64 codons)
CAI score (Codon Adaptation Index)
GC content (overall + 3rd position)
Species-specific bias
Real molecular biology