Peptide Mass Calculator and Glycopeptide Mass Calculator

This calculator will calculate the monoisotopic mass, most abundant mass and composition of your glycopeptide and peptide sequence. It will also generate a spectrum to show the isotopic distribution.

Peptide sequence

Hexose

N-acetylhexosamine

Fucose

Sialic acid

Charge

Deamidation

Carbamidomethylation