>3rbcE (E:) observed residues (from ATOM records)
mvsqvrqnyhsdceaavnrmlnlelyasytyssmyaffdrddvalhnvaeffkehsheer
ehaekfmkyqnkrggrvvlqdikkperdewgntleamqaalqlektvnqalldlhklatd
kvdphlcdfleseyleeqvkdikrigdfitnlkrlglpengmgeylfdkhsvk