Chains and heterogens:
PDB Chain Sequences:
>1fpkA (A:) dtnivtltrfvmeqgrkargtgemtqllnslctavkaistavrkagiahlygiagstnvt gdqvkkldvlsndlvinvlkssfatcvlvteedknaiivepekrgkyvvcfdpldgssni dclvsigtifgiyrknstdepsekdalqpgrnlvaagyalygsatmlvlamvngvncfml dpaigefilvdrnvkikkkgsiysinegyakefdpaiteyiqrkkfppdnsapygaryvg smvadvhrtlvyggifmypankkspkgklrllyecnpmayvmekagglattgkeavldiv ptdihqrapiilgspedvtelleiyqkha
>1fpkA (A:) dtnivtltrfvmeqgrkargtgemtqllnslctavkaistavrkagiakldvlsndlvin vlkssfatcvlvteedknaiivepekrgkyvvcfdpldgssnidclvsigtifgiyrkns tdepsekdalqpgrnlvaagyalygsatmlvlamvngvncfmldpaigefilvdrnvkik kkgsiysinegyakefdpaiteyiqrkkfppdnsapygaryvgsmvadvhrtlvyggifm ypankkspkgklrllyecnpmayvmekagglattgkeavldivptdihqrapiilgsped vtelleiyqkha
>1fpkB (B:) dtnivtltrfvmeqgrkargtgemtqllnslctavkaistavrkagiahlygiagstnvt gdqvkkldvlsndlvinvlkssfatcvlvteedknaiivepekrgkyvvcfdpldgssni dclvsigtifgiyrknstdepsekdalqpgrnlvaagyalygsatmlvlamvngvncfml dpaigefilvdrnvkikkkgsiysinegyakefdpaiteyiqrkkfppdnsapygaryvg smvadvhrtlvyggifmypankkspkgklrllyecnpmayvmekagglattgkeavldiv ptdihqrapiilgspedvtelleiyqkha
>1fpkB (B:) dtnivtltrfvmeqgrkargtgemtqllnslctavkaistavrkagiakldvlsndlvin vlkssfatcvlvteedknaiivepekrgkyvvcfdpldgssnidclvsigtifgiyrkns tdepsekdalqpgrnlvaagyalygsatmlvlamvngvncfmldpaigefilvdrnvkik kkgsiysinegyakefdpaiteyiqrkkfppdnsapygaryvgsmvadvhrtlvyggifm ypankkspkgklrllyecnpmayvmekagglattgkeavldivptdihqrapiilgsped vtelleiyqkha