>3zsfF (F:) observed residues (from ATOM records)
sgslierinnkgtvtvgtegtyapftyhdkdgkltgydvevtravaeklgvkvefketqw
dsmmaglkagrfdvvanqvgltsperqatfdksepyswsgavlvahndsniksiadikgv
ktaqsltsnygekakaagaqlvpvdglaqsltlieqkradatlndelavldylkknpnag
vkivwsapadekvgsglivnkgndeavakfstainelkadgtlkklgeqffgkdisvq