>2yy2A (A:) observed residues (from ATOM records)
ptypkyllspetiealrkptfdvwlwepnemlsclehmyhdlglvrdfsinpvtlrrwlf
cvhdnyrnnpfhnfrhcfcvaqmmysmvwlcslqekfsqtdililmtaaichdldhpgyn
ntyqinartelavryndisplenhhcavafqilaepecnifsnippdgfkqirqgmitli
latdmarhaeimdsfkekmenfdysneehmtllkmilikccdisnevrpmevaepwvdcl
leeyfmqsdrekseglpvapfmdrdkvtkataqigfikfvlipmfetvtklfpmveeiml
qplwesrdryeelkriddamkelqkk