Re: [PyMOL] Possible to select the nth residue?

[Dan K. <dw...@ma...>]

I just needed to do this and this was my solution

NTH_RESIDUE=3
cmd.select("myselection", "molecule1 and chain A and resi %s" % 
(cmd.get_model("molecule1 and chain A").atom[NTH_RESIDUE]))

will create a selection named myselection and contain only the 
NTH_RESIDUE of molecule1 and chain  A.

Hope this helps,
~Dan

Alex Luso wrote:
>   One more question.
>
>   Someone asked me this: is it possible in Pymol to select
> the nth (e.g. the 3rd) residue in a molecule/chain without
> knowing the pdb residue # itself?
>
>   -Alex
>
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-- 
   Dan Kulp
   Biophysics Graduate Student @ UPenn
   dw...@ma...
   http://dwkulp.homelinux.net/tiki/tiki-index.php
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