>3rbcS (S:) observed residues (from ATOM records)
mvsqvrqnyhsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheer
ehaekfmkyqnkrggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatd
kvdphlcdfleseyleeqvkdikrigdfitnlkrlglpengmgeylfdkhsvk