Pharmacophore models
MarvinSpace offers a simple tool to represent pharmacophore models: spheres and arrows can be placed at any position. These can be translated, rotated and resized using controls.
     
            
Pharmacophore types in MarvinSpace
        
To place a pharmacophore sphere to represents a pharmacophore point follow the steps below:
-     press the pharmacophore sphere button 
-     click on an arbitrary atom: a sphere appears around the selected atom 
Arrows can be placed the same way except that the arrow button has to be pressed to initiate the process.