If I'm not mistaken, you can select both center of masses, since they are independent objects in the right side bar, and save them together as a single pdb. Then, when loading this single pdb, you'll be able to draw the bond.
Hope that helps. > This says that bond can only be added within an object not between 2 > objects. ------------------------------------------------------------------------------ Create and publish websites with WebMatrix Use the most popular FREE web apps or write code yourself; WebMatrix provides all the features you need to develop and publish your website. http://p.sf.net/sfu/ms-webmatrix-sf _______________________________________________ PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net) Info Page: https://lists.sourceforge.net/lists/listinfo/pymol-users Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net