Chains and heterogens:
PDB Chain Sequences:
>1qnfA (A:) maapilfwhrrdlrlsdniglaaaraqsaqliglfcldpqilqsadmaparvaylqgclq elqqryqqagsrllllqgdpqhlipqlaqqlqaeavywnqdiepygrdrdgqvaaalkta giravqlwdqllhspdqilsgsgnpysvygpfwknwqaqpkptpvatptelvdlspeqlt aiaplllselptlkqlgfdwdggfpvepgetaaiarlqefcdraiadydpqrnfpaeagt sglspalkfgaigirqawqaasaahalsrsdearnsirvwqqelawrefyqhalyhfpsl adgpyrslwqqfpwenrealftawtqaqtgypivdaamrqltetgwmhnrcrmivasflt kdliidwrrgeqffmqhlvdgdlaannggwqwsassgmdpkplrifnpasqakkfdatat yikrwlpelrhvhpkdlisgeitpierrgypapivnhnlrqkqfkalynqlkaaiaepea epds
>1qnfA (A:) maapilfwhrrdlrlsdniglaaaraqsaqliglfcldpqilqsadmaparvaylqgclq elqqryqqagsrllllqgdpqhlipqlaqqlqaeavywnqdiepygrdrdgqvaaalkta giravqlwdqllhspdqilsgsgnpysvygpfwknwqaqpkptpvatptelvdlspeqlt aiaplllselptlkqlgfdwdggfpvepgetaaiarlqefcdraiadydpqrnfpaeagt sglspalkfgaigirqawqaasaahalsrsdearnsirvwqqelawrefyqhalyhfpsl adgpyrslwqqfpwenrealftawtqaqtgypivdaamrqltetgwmhnrcrmivasflt kdliidwrrgeqffmqhlvdgdlaannggwqwsassgmdpkplrifnpasqakkfdatat yikrwlpelrhvhpkdlisgeitpierrgypapivnhnlrqkqfkalynqlkaai