Hello, I am an intern working with Chimera, and I was wondering if I was missing a plug-in that calculated electrostatic potential. I attempted to load a dx and cube file to emulate electrostatic potential, but there seemed to be a problem finding/reading the files(perhaps I'm doing this wrong too). I thought that if I calculated electrostatic potential directly with Chimera, I could see electrostatic potential. It says on your website that Chimera can calculate the electrostatic potential with APBS: "electrostatic potential calculated with Adaptive Poisson-Boltzmann Solver<http://www.poissonboltzmann.org/apbs/> (APBS); the APBS<http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/apbs/apbs.html> tool in Chimera runs this program via web service provided by the NBCR<http://nbcr.ucsd.edu/>" Do you have a tutorial that goes in more detail in how to calculate potential with APBS? Thank you, Minju Chun