Chains and heterogens:
PDB Chain Sequences:
>1ptwA (A:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipqspspapddpeegrqgqtekfqfeltl
>1ptwA (A:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipq
>1ptwB (B:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipqspspapddpeegrqgqtekfqfeltl
>1ptwB (B:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstipq
>1ptwC (C:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipqspspapddpeegrqgqtekfqfeltl
>1ptwC (C:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstipq
>1ptwD (D:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipqspspapddpeegrqgqtekfqfeltl
>1ptwD (D:) iprfgvkteqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkip vdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasa ihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrq slrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcad lsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivh plwetwadlvhpdaqdildtlednrewyqstipq