Chains and heterogens:
PDB Chain Sequences:
>1s1xA (A:) pispietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpv faikkkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtildvgdayfsvpl dedfrkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdivi yqymddlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwt vqpivlpekdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeae lelaenreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrga htndvkqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntp plvklwyqlekepivgaetfyvdgaanretklgkagyvtnrgrqkvvtltdttnqktelq aiylalqdsglevnivtdsqyalgiiqaqpdqseselvnqiieqlikkekvylawvpahk giggneqvdklvsagirkvl
>1s1xA (A:) ispietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvf aikkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtildvgdayfsvpldedfrk ytaftipsinnetiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddly vgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwtvqpivlpe kdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeaelelaenre ilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrgahtndvkql teavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntpplvklwyq lekepivgaetfyvdgaanretklgkagyvtnrgrqkvvtltdttnqktelqaiylalqd sglevnivtdsqyalgiiqaqpdqseselvnqiieqlikkekvylawvpahkgiggneqv dklvsa
>1s1xB (B:) pispietvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpv faikkkdstkwrklvdfrelnkrtqdfwevqlgiphpaglkkkksvtildvgdayfsvpl dedfrkytaftipsinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdivi yqymddlyvgsdleigqhrtkieelrqhllrwglttpdkkhqkeppflwmgyelhpdkwt vqpivlpekdswtvndiqklvgklnwasqiypgikvrqlckllrgtkalteviplteeae lelaenreilkepvhgvyydpskdliaeiqkqgqgqwtyqiyqepfknlktgkyarmrga htndvkqlteavqkittesiviwgktpkfklpiqketwetwwteywqatwipewefvntp plvklwyqlekepivgaetf
>1s1xB (B:) etvpvklkpgmdgpkvkqwplteekikalveictemekegkiskigpenpyntpvfaikk kdstkwrklvdfrelnkrtqdfwhpaglkkkksvtildvgdayfsvpldedfrkytafti psinnetpgiryqynvlpqgwkgspaifqssmtkilepfrkqnpdiviyqymddlyvgsd leigqhrtkieelrqhllrwgltelhpdkwtvqpivlpekdswtvndiqklvgklnwasq iypgikvrqlckllrgtkalteviplteeaelelaenreilkepvhgvyydpskdliaei qkqgqgqwtyqiyqepfknlktgkyarmrgtndvkqlteavqkittesiviwgktpkfkl piqketwetwwteywqatwipewefvntpplvklwyq