Chains and heterogens:
PDB Chain Sequences:
>4r40A (A:) snavrieitqgvdsarpigvvpfkwmgpgtppeeigaivgadlrnsgkfnpidaarmpqq pstaaevtpaawtalgidavvvgqvqpsadgsyvvsyqlvdtsgsagsilaqnqykvtkq wlrysahtvsdevfekltgikgafrtriayvvktnggkfphelrvsdydgynqfvvhrsp eplmspawspdgskiayvtfesgksalviqtlangairqvasfprhngapafspdgtkla falsksgslnlyvmdlasgqisqvtdgrsnntepswfpdsqnlaytsdqggrpqvykvni nggvpqritwegsqnqnadvspdgkflvlvssnggaqhiakqdletgavqvltdtlldet psiapngtmviysstqglgsvlqlvstdgrfkarlpatdgqvkfpawspyl
>4r40A (A:) vrieitqgvdsarpigvvpfkwmgpgtppeeigaivgadlrnsgkfnpidaarmpqqpst aaevtpaawtalgidavvvgqvqpsadgsyvvsyqlvdtsgsagsilaqnqykvtkqwlr ysahtvsdevfekltgikgafrtriayvvktnggkfphelrvsdydgynqfvvhrspepl mspawspdgskiayvtfesgksalviqtlangairqvasfprhngapafspdgtklafal sksgslnlyvmdlasgqisqvtdgrsnntepswfpdsqnlaytsdqggrpqvykvningg vpqritwegsqnqnadvspdgkflvlvssnggaqhiakqdletgavqvltdtlldetpsi apngtmviysstqglgsvlqlvstdgrfkarlpdgqvkfpawspyl
>4r40B (B:) snadqsgmgagtgtengsnlsseeqarlqmqelqknnivyfgfdkydigsdfaqmldaha aflrsnpsdkvvveghadergtpeynialgerrasavkmylqgkgvsadqisivsygkek pavlghdeaafaknrravlvy
>4r40B (B:) snlsseeqarlqmqelqknnivyfgfdkydigsdfaqmldahaaflrsnpsdkvvvegha dergtpeynialgerrasavkmylqgkgvsadqisivsygkekpavlghdeaafaknrra vlvy
>4r40C (C:) snavrieitqgvdsarpigvvpfkwmgpgtppeeigaivgadlrnsgkfnpidaarmpqq pstaaevtpaawtalgidavvvgqvqpsadgsyvvsyqlvdtsgsagsilaqnqykvtkq wlrysahtvsdevfekltgikgafrtriayvvktnggkfphelrvsdydgynqfvvhrsp eplmspawspdgskiayvtfesgksalviqtlangairqvasfprhngapafspdgtkla falsksgslnlyvmdlasgqisqvtdgrsnntepswfpdsqnlaytsdqggrpqvykvni nggvpqritwegsqnqnadvspdgkflvlvssnggaqhiakqdletgavqvltdtlldet psiapngtmviysstqglgsvlqlvstdgrfkarlpatdgqvkfpawspyl
>4r40C (C:) vrieitqgvdsarpigvvpfkwmgpgtppeeigaivgadlrnsgkfnpidaarmpqqpst aaevtpaawtalgidavvvgqvqpsadgsyvvsyqlvdtsgsagsilaqnqykvtkqwlr ysahtvsdevfekltgikgafrtriayvvktnggkfphelrvsdydgynqfvvhrspepl mspawspdgskiayvtfesgksalviqtlangairqvasfprhngapafspdgtklafal sksgslnlyvmdlasgqisqvtdgrsnntepswfpdsqnlaytsdqggrpqvykvningg vpqritwegsqnqnadvspdgkflvlvssnggaqhiakqdletgavqvltdtlldetpsi apngtmviysstqglgsvlqlvstdgrfkarlpagqvkfpawspy
>4r40D (D:) snadqsgmgagtgtengsnlsseeqarlqmqelqknnivyfgfdkydigsdfaqmldaha aflrsnpsdkvvveghadergtpeynialgerrasavkmylqgkgvsadqisivsygkek pavlghdeaafaknrravlvy
>4r40D (D:) snlsseeqarlqmqelqknnivyfgfdkydigsdfaqmldahaaflrsnpsdkvvvegha dergtpeynialgerrasavkmylqgkgvsadqisivsygkekpavlghdeaafaknrra vlvy