code: protected String getUniprotNameForHuman(ProteinReference pr)
  	{
  		for (String name : pr.getName())
  		{
  			if (name.endsWith("_HUMAN")) return name;
  		}
  		return null;
  	}
docs: Searches for the uniprot name of the given human EntityReference.
  @param pr to search for the uniprot name
  @return uniprot name