code: private static boolean hasPhosphat(MonomerNotationUnitRNA monomerNotationUnitRNA) {
  		if (monomerNotationUnitRNA.getContents().get(monomerNotationUnitRNA.getContents().size() - 1).getUnit()
  				.endsWith("P")) {
  			LOG.info("MonomerNotationUnitRNA " + monomerNotationUnitRNA.getUnit() + " has a phosphate");
  			return true;
  		}
  		LOG.info("MonomerNotationUnitRNA " + monomerNotationUnitRNA.getUnit() + " has no phosphate");
  		return false;
  	}
docs: /* To Do check for other modified phosphates?