Pb → Aminoácidos
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The 'Pb → Amino Acids' calculator translates nucleotide sequences (DNA/RNA) into amino acids using the universal genetic code. Each triplet of bases (codon) is mapped to a specific amino acid via standard codon tables. It's useful for genetic research, molecular biology, or protein analysis. To use it, input DNA (with 'T') or RNA (with 'U'), and the system will determine the corresponding amino acid chain.
The tool works by matching 1 codon to 1 amino acid. Invalid or ambiguous sequences (like stop codons) are highlighted. Ensure input format is correct (no spaces, only A, T/U, C, G). Note: the genetic code varies in some organisms, but this tool uses the most common version, suitable for humans, animals, and plants.
Example use: academic research to decode genes into proteins, or lab validation of sequences before synthesis. Manually review outputs, especially for rare variants or truncated sequences. The calculator doesn't process epigenetics or post-translational modifications.
Frequently asked questions
Why only 20 amino acids?
The universal genetic code encodes 20 canonical amino acids. Variants in specific organisms (like methionine in mitochondria) are excluded here.
What about ambiguous codons (e.g., NNN)?
Codons with undefined bases (N) result in 'X' or are ignored, depending on the calculator's settings.
Should I use DNA or RNA input?
Use DNA with 'T' (thymine) or RNA with 'U' (uracil). The calculator adjusts translation automatically.
Does the sequence need to be divisible by 3?
Yes. Sequences not divisible by 3 are truncated or result in an error.