Chains and heterogens:
PDB Chain Sequences:
>1ep4A (A:) pispietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpv faikkkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpl dedfrkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdivi yqymddlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwt vqpivlpekdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeae lelaenreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrga htndvkqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntp plvklwyqlekepivgaetfyvdgaanretklgkagyvtnrgrqkvvtltdttnqktelq aiylalqdsglevnivtdsqyalgiiqaqpdqseselvnqiieqlikkekvylawvpahk giggneqvdklvsagirkvl
>1ep4A (A:) pietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfai kwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpldedfrkyta ftipsiniryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddlyvgsdle igqhrtkieelrqhllrwglttpdhqkeppflwmgyelhpdkwtvqpivlpekdswtvnd iqklvgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenreilkepvhg vyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkqlteavqkit tesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyqlekepivg aetfyvdgaanretklgkagyvtnrgrqkvvtltdttnqktelqaiylalqdsglevniv tdsqyalgiiqaqpdqseselvnqiieqlikkekvylawvpah
>1ep4B (B:) pispietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpv faikkkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtvldvgdayfsvpl dedfrkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdivi yqymddlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwt vqpivlpekdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeae lelaenreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrga htndvkqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntp plvklwyqlekepivgaetf
>1ep4B (B:) ietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaik kkdstkwrklvdfrelnkrtqdfwhpaglkkkksvtvldvgdayfsvpldedfrkytaft ipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddlyvgs dleigqhrtkieelrqhllrwgltyelhpdkwtvqpivlpekdswtvndiqklvgklnwa sqiypgikvrqlckllrgtkalteviplteeaelelaenreilkepvhgvyydpskdlia eiqkqgqgqwtyqiyqepfknlktgkyartndvkqlteavqkittesiviwgktpkfklp iqketwetwwteywqatwipewefvntpplvklwy