Peptide calculator
Type a sequence in one-letter or three-letter code. The calculator returns the average molecular weight, the molecular formula, the net charge at pH 7, how many counter-ions the salt is likely to carry — and how much of a labelled vial is actually peptide.
One-letter (GEPPPGKPADDAGLV) or three-letter (Gly-Glu-Pro…). Spaces, dashes and digits are ignored.
Enter a sequence to see its properties.