Chains and heterogens:
PDB Chain Sequences:
>1ek6A (A:) maekvlvtggagyigshtvlelleagylpvvidnfhnafrgggslpeslrrvqeltgrsv efeemdildqgalqrlfkkysfmavihfaglkavgesvqkpldyyrvnltgtiqlleimk ahgvknlvfsssatvygnpqylpldeahptggctnpygkskffieemirdlcqadktwna vllryfnptgahasgcigedpqgipnnlmpyvsqvaigrrealnvfgndydtedgtgvrd yihvvdlakghiaalrklkeqcgcriynlgtgtgysvlqmvqamekasgkkipykvvarr egdvaacyanpslaqeelgwtaalgldrmcedlwrwqkqnpsgfgtqa
>1ek6A (A:) maekvlvtggagyigshtvlelleagylpvvidnfhnafrgggslpeslrrvqeltgrsv efeemdildqgalqrlfkkysfmavihfaglkavgesvqkpldyyrvnltgtiqlleimk ahgvknlvfsssatvygnpqylpldeahptggctnpygkskffieemirdlcqadktwna vllryfnptgahasgcigedpqgipnnlmpyvsqvaigrrealnvfgndydtedgtgvrd yihvvdlakghiaalrklkeqcgcriynlgtgtgysvlqmvqamekasgkkipykvvarr egdvaacyanpslaqeelgwtaalgldrmcedlwrwqkqnpsgfgt
>1ek6B (B:) maekvlvtggagyigshtvlelleagylpvvidnfhnafrgggslpeslrrvqeltgrsv efeemdildqgalqrlfkkysfmavihfaglkavgesvqkpldyyrvnltgtiqlleimk ahgvknlvfsssatvygnpqylpldeahptggctnpygkskffieemirdlcqadktwna vllryfnptgahasgcigedpqgipnnlmpyvsqvaigrrealnvfgndydtedgtgvrd yihvvdlakghiaalrklkeqcgcriynlgtgtgysvlqmvqamekasgkkipykvvarr egdvaacyanpslaqeelgwtaalgldrmcedlwrwqkqnpsgfgtqa
>1ek6B (B:) aekvlvtggagyigshtvlelleagylpvvidnfhnafrgggslpeslrrvqeltgrsve feemdildqgalqrlfkkysfmavihfaglkavgesvqkpldyyrvnltgtiqlleimka hgvknlvfsssatvygnpqylpldeahptggctnpygkskffieemirdlcqadktwnav llryfnptgahasgcigedpqgipnnlmpyvsqvaigrrealnvfgndydtedgtgvrdy ihvvdlakghiaalrklkeqcgcriynlgtgtgysvlqmvqamekasgkkipykvvarre gdvaacyanpslaqeelgwtaalgldrmcedlwrwqkqnpsgfgt