From: John Stone (johns_at_ks.uiuc.edu)
Date: Tue Aug 23 2011 - 17:05:37 CDT

Hi,
  If you want to use the new Chirality plugin in VMD 1.9, you must
first issue the command "package require chirality"

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Tue, Aug 23, 2011 at 04:13:53PM -0500, Ling Wu wrote:
> Hi All,
> I want to use extrabonds command to restrain some dihedral angles in my
> lipid system, so I can have the correct chirality and Cis-trans isomerism
> through MD simulation. I noticed that VMD can generate corresponding
> extrabonds.txt file, but It did not work for me, I tried chirality
> restrain -o chirality-extrabonds.txt in VMD TkConsole, it gave me this
> message "invalid command name "chirality"". Since my system has a lot of
> lipids, so I am trying to avoid writing those atom numbers by myself. Does
> anyone have any experience about this?
> Thanks in advance!
> Emilia

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