[PyMOL] Show DNA/RNA phosphate backbone

Greetings, I'm trying to visualize the phosphate backbone of DNA/RNA, so far to no avail.  I've seen nuccyl, but I'm on WIndoze, and have found no mention of nuccyl running there.  Any other straightforward way? Specifically, I'm trying to visualize interactions between the DNA/RNA (phosphate

[PyMOL] Align C-alpha based backbone

Hi, all, I'm wondering if it is possible to align a number of unfolded conformations (C-alpha based backbone only) according to their principal axis. Thanks. Dr. Jianhui Song Postdoctoral Fellow Department of Biochemistry University of Toronto ---