From: JC Gumbart (gumbart_at_ks.uiuc.edu)
Date: Mon Mar 19 2012 - 05:54:20 CDT
VMD doesn't know automatically that something with a *.fep extension is a pdb.
Use this: mol addfile zero.fep type pdb
On Mar 19, 2012, at 1:56 AM, Alisha Jonesy Jones wrote:
> Hi Chris,
>
> Thanks for the response. I just tried what you suggested and it reads the following:
> >Main< (01.ethane-ethane) 14 % mol new setup.psf
> 2
> >Main< (01.ethane-ethane) 15 % mol addfile zero.fep
> Could not determine file type for file 'zero.fep' from its extension.
>
> I also tried: mol new setup.psf zero.psf zero.fep
> and: mol new setup.psf -pdb zero.fep
>
> On the graphical representations interface, setup.psf appears, as well as on the VMD Main... it appears as if it is there, but even on changing background colors, turning on and off the display, etc., I still fail to get my molecule.
>
> Any other advice?
>
> Thanks,
> Alisha
>
> On Sun, Mar 18, 2012 at 11:40 PM, Chris Harrison <charris5_at_gmail.com> wrote:
> Alisha,
>
> What happens if you open the TkConsole, cd to the correct directory, and type:
>
> mol new setup.psf
> mol addfile zero.fep
>
> Best,
> chris
>
>
>
> On Mon, Mar 19, 2012 at 1:20 AM, Alisha "Jonesy" Jones <jonesan_at_muohio.edu> wrote:
> Hello,
>
> I am working through the FEP tutorial. I am on section 1.1 System Setup. I am sorry for such an "basic problem" but any help would be appreciated.
>
> When I try to run the [vmd setup.psf -pdb zero.fep] command (step 6) in my terminal, vmd opens, but my newly created molecule does not appear. I have checked and rechecked all of my files with the example-output folder and everything is correct. I tried this same command in the VMD TkConsole, but I still don't get my new hybrid.
>
> I have the latest version of VMD and NAMD.. I don't think I need the alchemify command (I tried it anyway; it made no difference) Does anyone know what I could quite possibly be doing wrong?
>
> Regards,
> Alisha
>
>
>
> --
> Chris Harrison, Ph.D.
> NIH Center for Macromolecular Modeling and Bioinformatics
> Theoretical and Computational Biophysics Group
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave., Urbana, IL 61801
>
> http://www.ks.uiuc.edu/Research/namd Voice: 773-570-6078
> http://www.ks.uiuc.edu/~char Fax: 217-244-6078
>
>
>
>
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