code: public ArrayList<String> getGeneAliases() throws XPathExpressionException {
  		ArrayList<String> aliasList = new ArrayList<String>();
  		if (uniprotDoc == null) {
  			return aliasList;
  		}
  		Element uniprotElement = uniprotDoc.getDocumentElement();
  		Element entryElement = XMLHelper.selectSingleElement(uniprotElement, "entry");
  		ArrayList<Element> proteinElements = XMLHelper.selectElements(entryElement, "gene");
  		for(Element proteinElement : proteinElements) {
  			ArrayList<Element> keyWordElementList = XMLHelper.selectElements(proteinElement, "name");
  			for (Element element : keyWordElementList) {
  				aliasList.add(element.getTextContent());
  			}
  		}
  		return aliasList;
  	}
docs: Pull uniprot gene aliases associated with this sequence
  @return
  @throws XPathExpressionException