>3ecuC (C:) observed residues (from ATOM records)
atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagctsa
gphfnplrhvgdlgnvtadkdgvadvsiedsvislsgdhciigrtlvvhekadgsrlacg
vigiaq