>3se1A (A:) observed residues (from ATOM records)
hsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheerehaekfmky
qnkdggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatdkvdphlcdf
leseyleeqvkdikrigdfitnlkrlglpengmgeylfdkhsvkes