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Hi Ben--

  You posted to the wrong mailing list. It should be
[email protected] 
(you posted to xplor-nih-announce)

In the future, please post to the correct one.

> 
> I am new to Xplor-NIH and am trying to perform some simulations. 
> 
> Ideally, I want to use hbuild to add in specific protons to my protein, 
> 
> i.e. 1. Just to add in the NHs 
>      2. just the methyl groups
>      3. The NHs and the methyl groups.
>      etc
> 
> Is it possible to do this by altering the selection=( hydrogen )
> line in hbuild or do I need to do this another way? 

Sure. You can just specify which protons you want added, exactly as
you suggest.

> 
> Also, is there a specific name to select all methyl groups or will I
> need to specify them each individually by residue and molecule? 

As the chemical type naming convention isn't as uniform as one would
like, you'll probably have to specify atom name and residue name.

hope this helps--
Charles

- -- 
Charles Schwieters     email:   [email protected]
                       www:     http://schwieters.org/cds
phone: (301) 402-4914  PGP key: http://schwieters.org/cds/pgp.txt

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