>7a6aQ (Q:) observed residues (from ATOM records)
stsqvrqnyhqdseaainrqinlelyasyvylsmsyyfdrddvalknfakyflhqsheer
ehaeklmklqnqrggriflqdiqkpdcddwesglnamecalhleknvnqsllelhklatd
kndphlcdfiethylneqvkaikelgdhvtnlrkmgapesglaeylfdkhtlg