Protein Isoelectric Point

Format Conversion

-Combine FASTA
-EMBL to FASTA
-EMBL Feature Extractor
-EMBL Trans Extractor
-Filter DNA
-Filter Protein
-GenBank to FASTA
-GenBank Feature Extractor
-GenBank Trans Extractor
-One to Three
-Range Extractor DNA
-Range Extractor Protein
-Reverse Complement
-Split Codons
-Split FASTA
-Three to One
-Window Extractor DNA
-Window Extractor Protein

Sequence Analysis

-Codon Plot
-Codon Usage
-CpG Islands
-DNA Molecular Weight
-DNA Pattern Find
-DNA Stats
-Fuzzy Search DNA
-Fuzzy Search Protein
-Ident and Sim
-Multi Rev Trans
-Mutate for Digest
-ORF Finder
-Pairwise Align Codons
-Pairwise Align DNA
-Pairwise Align Protein
-PCR Primer Stats
-PCR Products
-Protein GRAVY
-Protein Isoelectric Point
-Protein Molecular Weight
-Protein Pattern Find
-Protein Stats
-Restriction Digest
-Restriction Summary
-Reverse Translate
-Translate

Sequence Figures

-Color Align Conservation
-Color Align Properties
-Group DNA
-Group Protein
-Primer Map
-Restriction Map
-Translation Map

Random Sequences

-Mutate DNA
-Mutate Protein
-Random Coding DNA
-Random DNA Sequence
-Random DNA Regions
-Random Protein Sequence
-Random Protein Regions
-Sample DNA
-Sample Protein
-Shuffle DNA
-Shuffle Protein

Miscellaneous

-Home
-IUPAC codes
-Genetic codes
-Browser compatibility
-Mirror this site
-Use this site off-line
-About this site
-Acknowledgments
-Reference

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Sequence Manipulation Suite:

Protein Isoelectric Point

New version available: Sequence Manipulation Suite 3 (SMS3)

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 200,000,000 characters.

Add copies of to each sequence.
Use pK values from

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