Calculate ProtParam-style protein properties with cleaner alignment and better readability. Upload a file or paste sequences directly, preview processed output, and export as CSV.
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Accepted formats: FASTA blocks, CSV/TXT with known sequence columns, or one amino-acid sequence per line.
Input rows
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Valid sequences
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Output rows
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Output preview
Columns include cleaned sequence, Length, MW (kDa), pI, Extinction Coefficient, Instability Index, Aliphatic Index, and Half-life.