Hi Tom, Here is the plain text version (I keep forgetting that the list has a problem with html formatted messages, but is it always the case? ): A while ago you wrote the very useful surfvalues.py script to show actual potential values while wandering with the mouse over the surface. I wonder whether it has been incorporated into the Chimera version by now. I couldn't figure out whether it has. Thanks, Boaz Boaz Shaanan, Ph.D. Dept. of Life Sciences Ben-Gurion University of the Negev Beer-Sheva 84105 Israel E-mail: bshaanan@bgu.ac.il Phone: 972-8-647-2220 Skype: boaz.shaanan Fax: 972-8-647-2992 or 972-8-646-1710