calculate_peptide_mass: Peptide mass
Description
Calculate mass of undeuterated peptide
Usage
calculate_peptide_mass(sequence)
Arguments
sequence
character vector of amino acid sequence of a peptide
Value
a single number denoting the mass of the undeuterated peptide.
Details
Calculates peptide mass as a sum of amino acids' from
sequence
masses and H2O mass (1.007825 * 2 + 15.994915 = 18.01056).