VMD-L Mailing List
From: Markus K. Dahlgren (markus.dahlgren_at_yale.edu)
Date: Mon Oct 10 2011 - 08:59:11 CDT
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Hi,
I have modeled a protein-ligand complex with explicit waters and during the
simulation there is center of mass movement. The complex was simulated using
NAMD.
When I align the complex with the protein selection in the trajectory tool in
vmd, the ligand is not centered/aligned with the protien for about 40% of the
trajectory. If I align the complex with the resname UNK selection (ligand
residue name), the trajectory becomes very painful to look at as the protein
keeps rapidly moving around the centered ligand.
The ligand is fairly large and has a 10-unit peg linker, which likely causes the
alignment problem when the linker part of the ligand crosses into the next
periodic boundary box.
What can I do to center and align the ligand-protein complex so that I can view
it in VMD?
Any help would be greatly appreciated!
Markus
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