>3qqdB (B:) observed residues (from ATOM records)
atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagctsa
gphfnplsrvgdlgnvtadkdgvadvsiedsvislsgdhciigrtlvvhekadnagsrla
cgvigiaq