>6ipqA (A:) observed residues (from ATOM records)
tsqvrqnyhqdseaainrqinlelyasyvylsmsyyfdrddvalknfakyflhqsheere
haeklmklqnqrggriflqdiqkpdaddwesglnameaalhleknvnqsllelhklatdk
ndphladfiethylikelgdhvtnlrkmgapesglaeylfdkhtlg