Protein Isoelectric Point - Sequence Manipulation Suite

Protein Isoelectric Point calculates the theoretical pI (isoelectric point) for the protein sequence you enter. Use Protein Isoelectric Point when you want to know approximately where on a 2-D gel a particular protein will be found.

Paste the raw sequence or one or more FASTA sequences into the text area below. Input limit is 200000 characters.

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  • Add copies of to the above sequence.
  • Use pK values from
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Thu Aug 27 17:17:36 2015