From: Vermaas, Joshua (Joshua.Vermaas_at_nrel.gov)
Date: Thu Aug 31 2017 - 17:49:48 CDT
Alright, upon further reflection, I hadn't considered potential NBFIX
terms for ions within the force field. If NAMD encounters an atomtype
within an NBFIX-specified interaction (such as those for ions with
carbonyls) that wasn't previously identified, this message will crop up
too. This is probably the 1% of time that I was unreasonably certain. :)
-Josh
On 08/31/2017 10:29 AM, Vermaas, Joshua wrote:
> Hi Natasha,
>
> If NAMD is giving you that warning, I'm 99% sure that your psf file
> *does* contain ON1 somewhere. Load your psf file first, then your PDB,
> and search for "type ON1" within VMD. You'll find your atoms pretty
> quick (should be carbonyl oxygens within nucleic acids). You may have
> just not added in the nucleic acid parameters your system needs.
>
> -Josh
>
> On 08/31/2017 04:59 AM, Natasha Gupta wrote:
>>> Hi,
>>> I am trying to run minimization but am seeing the following error:
>>>
>>> FATAL ERROR: DIDN'T FIND vdW PARAMETER FOR ATOM TYPE ON1
>>>
>>> My psf file does not have an atom type, "ON1". Has anyone seen this before? I would appreciate any suggestions.
>>>
>>> Regards,
>>> Natasha
>>>
>
>
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