code: protected void addToUpstream(BioPAXElement ele, org.biopax.paxtools.query.model.Graph graph)
  	{
  		AbstractNode node = (AbstractNode) graph.getGraphObject(ele);
  		if (node == null) return;
  
  		Edge edge = new EdgeL3(node, this, graph);
  
  		if (isTranscription())
  		{
  			if (node instanceof ControlWrapper)
  			{
  				((ControlWrapper) node).setTranscription(true);
  			}
  		}
  
  		node.getDownstreamNoInit().add(edge);
  		this.getUpstreamNoInit().add(edge);
  	}
docs: Binds the given element to the upstream.
  @param ele Element to bind
  @param graph Owner graph