code: @Override
  	public void init()
  	{
  		ControlType type = ctrl.getControlType();
  
  		if (type != null && type.toString().startsWith("I"))
  		{
  			sign = NEGATIVE;
  		}
  		else
  		{
  			sign = POSITIVE;
  		}
  
  		if (ctrl instanceof TemplateReactionRegulation)
  			transcription = true;
  	}
docs: Extracts the sign and the type of the Control.