
Hi Nihshanka, Oops! My previous descriptions of how to determine electrostatic potential values at specific surface points assumed you were using the Surface Color tool to display the potential (menu entry Tools / Structure&Binding Analysis / Electrostatic Surface Coloring, or menu entry Tools / Volume Data / Surface Color). But you are using DelphiController and it has its own code for displaying potential values for which my previously described techniques will not work. To print the potential values at every surface point when the potential display was done with Delphi Controller you could put a print statement in chimera/share/DelphiViewer/MSMSTexturer.py at line 155, after the following lines of code else: # Point is outside of phi map. phivalue = 0 add the line print v_rs, phivalue Make sure the "print" line is indented the same as the "else:". This is going to print many thousands of lines in the Reply Log so be prepared to wait a bit. You could also use my previously described methods for showing potential values by using the Electrostatic Surface Coloring tool. Show a surface for your PDB model using Actions / Suface / show. Then in the Electrostatic Surface Coloring dialog press the "Open map data..." button and select the *.phi file generated by DelPhi (the one computed when running Delphi Controller). Then press the Color button on the surface color dialog. My previous code modification or the marker probe method could them be used. Tom
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Thomas Goddard