>1fyuB (B:) observed residues (from ATOM records)
vetisfsfsefepgndnltlqgaalitqsgvlqltkinqngmpawdstgrtlyakpvhiw
dmttgtvasfetrfsfsieqpytrplpadglvffmgptkskpaqgygylgifnnskqdns
yqtlgvefdtfsnpwdppqvphigidvnsirsiktqpfqldngqvanvvikydasskilh
avlvypssgaiytiaeivdvkqvlpewvdvglsgatgaqrdaaethdvyswsfqaslpe