>6ffkF (F:) observed residues (from ATOM records)
atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagctsa
gphfnplrhvgdlgnvtadkdgvadvsiedsvislsgdhciigrtlvvhekadgsrlacg
vigiaq