Cal
corium
Science
Finance
Everyday
Converters
Guides
Home
›
Molecular Biology
›
Protein Properties Calculator
Protein Properties Calculator
Guide
Reset
Protein Sequence
Protein name
Amino acid sequence
Valid residues: 0
Accepted: one-letter, three-letter, and FASTA input
Try an example:
C. elegans GAPDH-1 (P04970)
Calculation Settings
pKa scale
Bjellqvist
Lehninger
EMBOSS
Changes theoretical pI and charge, not molecular weight.
Compare pKa scales
.
Net charge at pH
Calculate Protein Properties
Charge vs pH Curve
Copy for lab book
Copy or download the current protein-property report as plain text.
Include cleaned protein sequence
Copy to clipboard
Download
Related resources:
Protein Properties Guide
Understand molecular weight, composition, aromaticity, GRAVY, and A280 results.
Protein pI and pKa Scale Guide
Learn how Bjellqvist, Lehninger, and EMBOSS change theoretical pI and net charge.
Protein Molarity Calculator
Use the calculated MW for mass, mole, molecule-count, and concentration conversions.