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Thanks everyone for the tips. Actually, I need this information to improve my analysis on drug/protein interaction.
Best regards:)

Gerardo A. Libreros
Universidade de São Paulo
Laboratório de Biologia Estrutural Aplicada

Sent from my iPhone

> On 7 Jun 2017, at 18:34, Jared Sampson <[log in to unmask]> wrote:
> 
> Hi Gerardo - 
> 
> Something based on distance alone (and not e.g. H-bonding network) could be done in a straightforward fashion in PyMOL:
> 
>     select close_wats, (object1 and solvent) within 1 of (object2 and solvent)
>     hide everything, solvent
>     as nb_spheres, close_wats
> 
> This would give you only the waters in object 1, but you could expand this logic and include the object2 waters as well.
> 
>     select close_wats, close_wats or ((object2 and solvent) within 1 of (object1 and solvent))
> 
> Hope that helps.
> 
> Cheers,
> Jared
> 
> 
>> On Jun 6, 2017, at 7:30 PM, gerardo andres <[log in to unmask]> wrote:
>> 
>> Hi everyone, does anyone know any strategy or program (besides pywater) to identify conserved waters in a protein?
>> 
>> Thanks, 
>> 
>> Gerardo
>