najwa drici wrote:
hi all

I would like to extract my protein structure with the first hydration shell around the active site which contains an ion from counfout.gro.

Is there any program script able to do this?


Not in one step, no.  You could:

1. Use make_ndx to create an index group that defines your active site.

2. Use g_dist -dist to determine which water molecules (based on the atoms listed) are within a defined distance from the active site residues.

3. Make another index group that contains protein + the waters identified in 
step 2.

4. Extract those coordinates using trjconv and the index group created in step 
3.

-Justin

Cordially DRICI nedjoua



--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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