>2qexH (H:) observed residues (from ATOM records) kpasmyrdidkpaytrreyitgipgskiaqhkmgrkqkdaddypvqisliveetvqlrhg sleasrlsanrhlikelgeegdykmtlrkfphqvlrenkdgmraafgkivgtaarvqage qlftaycnvedaehvkeafrraynkitpscridsspagna