Hello Ramesh,
> Is it possible to do the labelling using single letter codes for the
> amino acid residues rather than the three letter codes?
Yes.
1. Add this to your $HOME/.pymolrc file:
# start $HOME/.pymolrc modification
one_letter = {'VAL':'V', 'ILE':'I', 'LEU':'L', 'GLU':'E', 'GLN':'Q', \
'ASP':'D', 'ASN':'N', 'HIS':'H', 'TRP':'W', 'PHE':'F', 'TYR':'Y', \
'ARG':'R', 'LYS':'K', 'SER':'S', 'THR':'T', 'MET':'M', 'ALA':'A', \
'GLY':'G', 'PRO':'P', 'CYS':'C'}
# end modification
2. instead of:
label n. ca, resn
use:
label n. ca, one_letter[resn]
Cheers,
Zac
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