>2qa4H (H:) observed residues (from ATOM records) kpasmyrdidkpaytrreyitgipgskiaqhkmgrkqkdaddypvqisliveetvqlrhg sleasrlsanrhlikelgeegdykmtlrkfphqvlrenkdgmraafgkivgtaarvqage qlftaycnvedaehvkeafrraynkitpscridsspagna