[gmx-users] SS from xpm file

Nguyen Hoang Phuong phuong at theochem.uni-frankfurt.de
Mon Oct 24 17:01:25 CEST 2005

Dear All,

after performing do_dssp, I got the file like ss.xpm which looks like


each line contains the information about secondary structures of one
residue. I would like to compute the percentages of the structures S, T
etc. for each residue. To this end I have to count how many letters S, T
of each line. Do you know how to performing this counting?

Many thanks in advance,


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