Software for "Endothelin Action on Pituitary Lactotrophs: 
    One receptor, Many GTP-Binding Proteins", Science STKE, 2006(319):pe4, 
    2006, by  
    R. Bertram, J. Tabak, N. Toporikova, and M. E. Freeman  
    
      - First figure, simulation of nanomolar concentrations of 
      endothelin-1. 
      Figure 1 
  
      - Second figure, simulation of picomolar concentrations of 
      endothelin-1. 
      Figure 2