Try using ParmEd from the latest version of AmberTools instead of the
"chamber" program.
It is generally less picky about quirks in the CHARMM input files. You can
use it in much the same way you use the "chamber" program itself.
HTH,
Jason
On Wed, Mar 22, 2017 at 2:34 PM, Sadegh Faramarzi Ganjabad <
safaramarziganjabad.mix.wvu.edu> wrote:
> Hello,
>
> I am using Chamber to convert structure and prmtop files from CHARMM ff to
> AMBER. I have run simulations with NAMD for the same system. However, when
> I try chamber it gives the following error
>
> calling get_gbradii
> ==========GET_GBRADII ==============================
> Called with radius set: 2 :modified Bondi radii (mbondi)
>
> ERROR end of file for reading prm_unit, No NONBONDED
>
> Apparently it cannot find enough parameters, but I have listed all prm
> files that I use for NAMD simulations. Has anybody else had a similar
> problem?
>
> Thanks,
> Sadegh
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>
--
Jason M. Swails
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Received on Thu Mar 23 2017 - 20:30:02 PDT
