code: public String saveNucleotideToStore(Nucleotide nucleotide) {
      String res = "";
      CloseableHttpResponse response = null;
  
      try {
        response = WSAdapterUtils.putResource(nucleotide.toJSON(),
            MonomerStoreConfiguration.getInstance()
                .getWebserviceNucleotidesPutFullURL());
        LOG.debug(response.getStatusLine().toString());
  
        EntityUtils.consume(response.getEntity());
  
      } catch (Exception e) {
        LOG.error("Saving nucleotide failed!", e);
        return "";
      } finally {
        try {
          if (response != null) {
            response.close();
          }
        } catch (IOException e) {
          LOG.debug("Closing resources failed.", e);
          return res;
        }
      }
  
      return res;
    }
docs: Adds or updates a single nucleotide to the nucleotide store using the URL configured in
  {@code MonomerStoreConfiguration}.
  
  @param nucleotide to save
  @return response from the webservice