>1fk9A (A:) observed residues (from ATOM records)
pietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfai
tkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfrkyt
aftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddly
vgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqpivlpe
kdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenre
ilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkql
teavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyq
lekepivgaetfyvdagyvtnrgrqkvvtltdttnqktelqaiylalqdsglevnivtds
qyalgiiqaqpdqseselvnqiieqlikkekvylawvpah