Function generate_precursor_spectrum

pub fn generate_precursor_spectrum(
    sequence: &str,
    charge: i32,
    peptide_id: Option<i32>,
) -> MzSpectrum

generate the precursor spectrum for a given peptide sequence and charge using isotope convolutions

Arguments:

• sequence - peptide sequence
• charge - charge of the peptide

Returns:

• MzSpectrum - precursor spectrum