>4urxS (S:) observed residues (from ATOM records)
qmrlpsadvyrfaepdseeniifeenmqpkagipiikagtviklierltyhmyadpnfvr
tflttyrsfckpqellsliierfeipepelsaelkrfrkeyiqpvqlrvlnvcrhwvehh
fydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiasspptvewhisrpghie
tfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkeinspnllkmirhttnlt
lwfekcivetenleervavvsriieilqvfqelnnfngvlevvsamnsspvyrldhtfeq
ipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltnilkteegnpevlkrhg
kelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpmgnsmekeftdylfnk
sleieprnpkplprfpkkysyplkspgvrpsnp