CSMSL.Proteomics.AminoAcid.AddResidueToDictionary C# (CSharp) Method

        private static void AddResidueToDictionary(AminoAcid residue)
        {
            Residues.Add(residue.Letter.ToString(CultureInfo.InvariantCulture), residue);
            Residues.Add(residue.Name, residue);
            Residues.Add(residue.Symbol, residue);
            ResiduesByLetter[residue.Letter] = residue;
            ResiduesByLetter[Char.ToLower(residue.Letter)] = residue;
        }