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From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Tue May 25 2010 - 08:16:51 CDT
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2010/5/25 Hugo Gutiérrez de Teran <hugo.teran_at_usc.es>:
> Hi,
>
> I have a MD simulation (dcd file) created with NAMD, using options -wrap
> on. The protein is a dimer, and the problem in the visualization and
> analysis is that often one monoper croses the PBC cell and appears on
> the other side, while the other monomer remains in the original cell.
> I tryed to align the protein with "align" command in RMSD trajectory
> tool, but only subunit A remains unchanged, while subunit B fluctuates
> between one or other side of the cell. This way I can not analyze the
> RMSD or the interactions between proteins.
> Any ideas?
how about using "pbc unwrap" in VMD?
check the mailing list archives. this is a common problem
and there should be a lot of discussions and suggestions
on the subject.
cheers,
axel.
>
> Hugo
>
> --
> Hugo G. de Teran, PhD.
> "Parga Pondal" Research fellow
> Fundación Pública Galega de Medicina Xenómica - SERGAS
> Santiago de Compostela (SPAIN)
>
> Phone +34 981563100 ext 13873
> e-mail:hugo.teran_at_usc.es
> http://webspersoais.usc.es/persoais/hugo.teran/
>
>
-- Dr. Axel Kohlmeyer akohlmey_at_gmail.com http://sites.google.com/site/akohlmey/ Institute for Computational Molecular Science Temple University, Philadelphia PA, USA.
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