>3douA (A:) observed residues (from ATOM records) qlrsraafkleflldryrvvrkgdavieigsspggwtqvlnslarkiisidlqemeeiag vrfircdifketifddidralreegiekvddvvsdamakvsgipsrdhavsyqigqrvme iavrylrnggnvllkqfqgdmtndfiaiwrknfssykiskpsseiyimffgfkae