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Peptide Antigen Design Analyzer

AI-Assisted Peptide Antigen Design Analyzer

Analyze a full protein sequence or UniProt accession to rank likely peptide antigen regions for antibody projects. This version is tuned for practical antigen design output in the 20–25 aa range by default.

If sequence box is empty, accession lookup can fetch the protein sequence automatically.
Standard amino acid letters only. Lowercase is accepted. FASTA headers (>...) are ignored.
Optional. If provided, the analyzer will estimate whether a candidate peptide is more conserved across the comparison set or more target-specific.

Sequence Summary

Protein length
Cysteine count
Hydrophobic windows
Top score

Protein Region Map

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Darker segments indicate higher-ranked candidate regions. Click a highlighted region to jump to that candidate.

LifeTein AI Recommendation

This recommendation layer reviews the top-ranked candidates from the analyzer and suggests the best peptide choices for the selected assay.

Run Generate AI Recommendation after protein analysis to see assay-specific peptide suggestions, caution regions, and confidence notes.

Top Candidate Peptides