Chains and heterogens:
PDB Chain Sequences:
>1y2dA (A:) mgsshhhhhhssglvprgshmteqedvlakeledvnkwglhvfriaelsgnrpltvimht ifqerdllktfkipvdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleav ftdleilaaifasaihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqee ncdifqnltkkqrqslrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnys driqvlqnmvhcadlsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnas veksqvgfidyivhplwetwadlvhpdaqdildtlednrewyqstipqs
>1y2dA (A:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstip
>1y2dB (B:) mgsshhhhhhssglvprgshmteqedvlakeledvnkwglhvfriaelsgnrpltvimht ifqerdllktfkipvdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleav ftdleilaaifasaihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqee ncdifqnltkkqrqslrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnys driqvlqnmvhcadlsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnas veksqvgfidyivhplwetwadlvhpdaqdildtlednrewyqstipqs
>1y2dB (B:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstip