Chains and heterogens:
PDB Chain Sequences:
>1fk9A (A:) pietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfai kkkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvplded frkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqy mddlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqp ivlpekdswtvndiqklvgklnwasqiypgikvrqlakllrgtkalteviplteeaelel aenreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtn dvkqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplv klwyqlekepivgaetfyvdgaanretklgkagyvtnrgrqkvvtltdttnqktelqaiy lalqdsglevnivtdsqyalgiiqaqpdqseselvnqiieqlikkekvylawvpah
>1fk9A (A:) pietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfai tkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfrkyt aftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddly vgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqpivlpe kdswtvndiqklvgklnwasqiypgikvrqlakllrgtkalteviplteeaelelaenre ilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkql teavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyq lekepivgaetfyvdagyvtnrgrqkvvtltdttnqktelqaiylalqdsglevnivtds qyalgiiqaqpdqseselvnqiieqlikkekvylawvpah
>1fk9B (B:) etvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaikk kdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfr kytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymd dlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqpiv lpekdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeaelelae nreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndv kqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvkl wyq
>1fk9B (B:) etvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaikk kdstkwrklvdfrelnkrtqdfwiphpaglkkkksvtvldvgdayfsvpldedfrkytaf tipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddlyvg sdleigqhrtkieelrqhllrwglttpdkkgyelhpdkwtvqpivlpekdswtvndiqkl vgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenreilkepvhgvyyd pskdliaeiqkqgqgqwtyqiyqepfknlktgkyartndvkqlteavqkittesiviwgk tpkfklpiqketwetwwteywqatwipewefvntpplvklwyq