From: Axel Kohlmeyer (
Date: Wed Mar 02 2011 - 10:39:01 CST

On Wed, Mar 2, 2011 at 1:50 AM, nabaneeta mukhopadhyay
<> wrote:
> Hi!
> I was trying to merge structures of two nanotubes  (PDB and PSF files
> generated by VMD nanotube builder) using merge structures. It is giving me
> one merged PDB and one PSF file. The informations in the PSF file are
> correct but in the PDB file, the coordinate information is not coming. Only
> for the first two atoms of two nanotubes the coordinate information is
> there, others are showing zero values for x, y, z coordinates. I am unable
> to fix the error.

why don't you just combine the two pdb files with a text editor and
remove the END tag between them?


> I would be grateful if anyone could help me with this.

> Thank you.
> Kind regards,
> Nabaneeta

Dr. Axel Kohlmeyer
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.