>5z8uA (A:) observed residues (from ATOM records)
srvrqnfhpdseaainrqinlelyasyvylsmayyfsrddvalnnfsryflhqsreeteh
aeklmrlqnqrggrirlqdikkpeqddwesglhameaallleknvnqsllelhalasdkg
dphladfletyylneqvksikelgdhvhnlvkmgapdaglaeylfdthtlg