code: private static void initMapNucleotides() throws FastaFormatException {
  		try {
  			nucleotides = NucleotideFactory.getInstance().getNucleotideTemplates().get("HELM Notation");
  		} catch (IOException e) {
  			e.printStackTrace();
  			LOG.error("NucleotideFactory can not be initialized");
  			throw new FastaFormatException(e.getMessage());
  		}
  	}
docs: method to initialize map of existing nucleotides in the database
  
  @throws FastaFormatException
  if the NucleotideFactory can not be initalialized