>3shxA (A:) observed residues (from ATOM records) vsqvrqnyhsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheere haekfmkyqnkrggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatdk vdphlcdfleseypeeqvkdikrigdfitnlkrlglpengmgeylfdkhsvkess