>4mcnA (A:) observed residues (from ATOM records)
atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagstsa
gphfnphvgdlgnvtadkdgvadvsiedsvislsgdhciigrtlvvhekaddlgkggnsr
lacgvigia