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
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