Hi Francesco, If you look at Chimera documentation using the Help menu in Chimera it should match your software pretty well. If you go onto the Web, you may be looking at documentation that is for a different version of Chimera than you have installed. To see what is new since the last production release, you can always go to the Chimera home page, and then click the link "what's new" (on the same line as "daily builds" in the quick links section on the left). Home page: <http://www.cgl.ucsf.edu/chimera/index.html> For electrostatic coloring you can use either of the following, it's up to you: - use "Electrostatic Surface Coloring" with a map from DelPhi, GRASP, APBS, or UHBD <http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/filetypes.html#esp> <http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/surfcolor/surfcolor...
- use "Coulombic Surface Coloring" in a daily build version of Chimera <http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/coulombic/coulombic...
Elaine ----- Elaine C. Meng, Ph.D. meng@cgl.ucsf.edu UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab Department of Pharmaceutical Chemistry University of California, San Francisco http://www.cgl.ucsf.edu/home/meng/index.html