>1mfrU (U:) observed residues (from ATOM records) vsqvrqnyhsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheere haekfmkyqnkrggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatdk vdphlcdfleseyleeqvkdikrigdfitnlkrlglpengmgeylfdkhsv