Re: [AMBER] Problems running MD simulations with pseudocontact shifts as restraints

From: Gustavo Seabra <gustavo.seabra.gmail.com>
Date: Wed, 23 Mar 2016 10:34:00 -0300

> Em 23 de mar de 2016, à(s) 05:44, Francisco Corzana López <francisco.corzana.unirioja.es> escreveu:
>
> Dear all,
> I am trying to run MD simulations with sander (AMBER14) with pseudocontact shifts as restraints. I get the following error:
>
> nameless reports error reading &pcshf
>
> I think the problem is related with “nme” and “nmpmc” flags in “pcs.in" file.
> I have realized that there is a mistake in amber manual: in the example the variable “nmpCM” is used instead of the correct one "nmpMC”
> I can get rid of the error message by removing the flag “nme” from pcs.in file. However, in this case, as no paramagnetic centers are defined, new errors messages appear.
> Any clue??
> Thank you very much in advance.
> Francisco
>
>
>
> This is my input file:
>
> […]

> And this is the pcs.in file:
>
> &pcshf
> nprot=1,
> nme=1,
 ^^^^^^

Apparently, this should be “nfe” instead:

From the pcshift.F90 source file:

namelist /pcshf/ nprot,nfe,obs,wt,iprot,tolpro,mltpro, &
         optphi,opttet,optomg, &
         opta1,opta2,optkon,nmpmc

There’s no “nme” in the namelist.

Gustavo.
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Received on Wed Mar 23 2016 - 07:00:04 PDT
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