From: Giacomo Fiorin (
Date: Tue Nov 05 2019 - 20:09:25 CST

This is a VMD question.

Moreover the attached script is far from what you are looking for. Can you
look at the the documentation of the "measure fit" command and "atomselect
move" command? The "RMS and scripting" section also contains useful


On Tue, Nov 5, 2019 at 9:03 PM Zhang Yan <> wrote:

> Hi all,
> I’m doing flexible fitting using NAMD2. How can I configure the
> set_symmetry.tcl file when I perform a flexible fitting for structure with
> helical symmetry? Actually, I know how to configure this when the asymmetry
> unit has only one chain. But for my case, the asymmetry unit has 4 chains--00000000000015e68c0596a40f38--