>3zsfD (D:) observed residues (from ATOM records)
gslierinnkgtvtvgtegtyapftyhdkdgkltgydvevtravaeklgvkvefketqwd
smmaglkagrfdvvanqvgltsperqatfdksepyswsgavlvahndsniksiadikgvk
taqsltsnygekakaagaqlvpvdglaqsltlieqkradatlndelavldylkknpnagv
kivwsapadekvgsglivnkgndeavakfstainelkadgtlkklgeqffgkdisvq