[MMTK] superimposing a tetramer

Ramon Crehuet rcrehuet at gmail.com
Wed May 28 11:10:30 UTC 2008

Dear all,
I am trying to superimpose the C_alphas of two tetrameric proteins. I am
trying to follow the example script, but the lines

tetramer_1 = configuration2.peptide_chains[0]

should be changed to something like:

tetramer = configuration2.peptide_chains

but then, tetramer is a list and functions like

 PeptideChain(tetramer, model='calpha')

cannot be directly applied. Of course, I could use map, etc, but I was
wondering if there is a simpler way.
Thanks in advance,
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