>1mfrF (F:) observed residues (from ATOM records)
vsqvrqnyhsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheere
haekfmkyqnkrggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatdk
vdphlcdfleseyleeqvkdikrigdfitnlkrlglpengmgeylfdkhsv