Module peptide

Functions

• atomic_product_ion_composition
  calculate the atomic composition of a product ion
• calculate_amino_acid_composition
  get a count dictionary of the amino acid composition of a peptide sequence
• calculate_peptide_mono_isotopic_mass
  calculate the monoisotopic mass of a peptide sequence
• calculate_peptide_product_ion_mono_isotopic_mass
  calculate the monoisotopic mass of a peptide product ion for a given fragment type
• calculate_product_ion_mz
  calculate the monoisotopic m/z of a peptide product ion for a given fragment type and charge
• fragments_to_composition
  calculate the atomic composition of a peptide product ion series Arguments:
• get_num_protonizable_sites
  count the number of protonizable sites in a peptide sequence
• peptide_sequence_to_atomic_composition
  calculate the atomic composition of a peptide sequence