It seems like ptraj is ideal for this if you have a prmtop and trajectory already. Just strip your desired mask and trajout as PDBs.
HTH,
Jason
--
Jason M. Swails
Quantum Theory Project,
University of Florida
Ph.D. Candidate
352-392-4032
On May 29, 2011, at 1:35 PM, Andrew Voronkov <drugdesign.yandex.ru> wrote:
> Dear Amber developers, are there any shifts in this question?
> I need to remove water from dataset of PDB files and it would be better to do this through modeification of the shell script just by adding -nowat flag to ambpdb rather than stripping water from prmtop, rst or mdcrd files.
> Maybe there are any scripts for this in the community now?
>
> Best regards,
> Andrew
>
> 06.12.2009, 10:09, "Bill Ross" <ross.cgl.ucsf.edu>:
>>>> maybe it s posible to strip waters from .rst file and then convert
>>>> it to PDB.
>>> Ideally someone (it could be you) would add a -nowat option to
>>> ambpdb to do the right thing.
>>
>> PS - stripping from rst means you'd have to generate the no-wat
>> prmtop for ambpdb to work with the modified rst. Making the change
>> to ambpdb is more sensible I think. While at it, a -nosolvent flag
>> could strip whatever prmtop thinks is solvent (there is a pointer
>> to the solvent section as I remember), which might provide
>> the convenience of leaving in xtal waters.
>>
>> Bill
>>
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Received on Sun May 29 2011 - 20:00:02 PDT