>2yqxF (F:) observed residues (from ATOM records)
atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagctsa
gphfnplsrkhggpkdeerhvgdlgnvtadkdavadvsiedsvislsgdhciigrtlvvh
ekaddlgkggneestktgnagsrlacgvigiaq