>7a6a6 (6:) observed residues (from ATOM records)
stsqvrqnyhqdseaainrqinlelyasyvylsmsyyfdrddvalknfakyflhqsheer
ehaeklmklqnqrggriflqdiqkpdcddwesglnamecalhleknvnqsllelhklatd
kndphlcdfiethylneqvkaikelgdhvtnlrkmgapesglaeylfdkhtlg