>3zsfC (C:) observed residues (from ATOM records)
gslierinnkgtvtvgtegtyapftyhdkdgkltgydvevtravaeklgvkvefketqwd
smmaglkagrfdvvanqvgltsperqatfdksepyswsgavlvahndsniksiadikgvk
taqsltsnygekakaagaqlvpvdglaqsltlieqkradatlndelavldylkknpgvki
vwsapadekvgsglivnkgndeavakfstainelkadgtlkklgeqffgkdisvq