From: Bassam Haddad (
Date: Mon Jun 17 2019 - 15:50:19 CDT

It is because the merge function merges the .pdb & .psf, not the molecule
that you have loaded. Meaning, you have to write a new .pdb with the
updated coordinates before attempting to merge.

On Mon, Jun 17, 2019 at 10:05 AM John H <> wrote:

> Hello,
> I’m trying to merge pdf’s and psf’s but am having trouble. I have been
> loading 2 proteins, using these commands;
> set sel [atomselect 0 all]
> $sel moveby {0 20 0}
> And get a nice image of the separated proteins. The problem is that when I
> use any “merge” function I get the protein not as I see them after the
> “moveby” command, but together in the same space again. Does anyone know a
> way around this? Thanks.