>6h6uB (B:) observed residues (from ATOM records)
tsqvrqnyhqdsekainrqirlelyasyvylsmsyyfdrddvalknfakyflhqsheere
haeklmklqnqrggriflqdiqkpdkddwesglramekalklekkvnqsllelhklatkk
ndphlcdfiethylneqvkaikelgdhvtnlrkmgaprsglaeylfdkhtlg