Dear All, First, I am trying to compare surface electrostatic potential among several members from a protein family. I was able to use build-in function in pymol (generate vacuum electrostatic potential). However, the range of potential for each molecule is automatically set up and they are different. (e.g, one could be -5 to 5 and another one could be -10 to 10, so the color scales between these two molecule are not comparable. A -5 potential will be compeletely red in the first molecule, but is only light red in the second molecule). Can I set the potential to the same range in order to compare?
Second, a off-topic question, I also tried to use APBS calculation. By this way I was able to render most of molecules in red-white-blue scale, but a few of molecules are completely white. I couldn't find where the problem is. Any comment or suggestion will be appreciated. Thank you very much! Best, Xiao
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