Chains and heterogens:
PDB Chain Sequences:
>1y2cA (A:) mgsshhhhhhssglvprgshmteqedvlakeledvnkwglhvfriaelsgnrpltvimht ifqerdllktfkipvdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleav ftdleilaaifasaihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqee ncdifqnltkkqrqslrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnys driqvlqnmvhcadlsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnas veksqvgfidyivhplwetwadlvhpdaqdildtlednrewyqstipqs
>1y2cA (A:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstip
>1y2cB (B:) mgsshhhhhhssglvprgshmteqedvlakeledvnkwglhvfriaelsgnrpltvimht ifqerdllktfkipvdtlitylmtledhyhadvayhnnihaadvvqsthvllstpaleav ftdleilaaifasaihdvdhpgvsnqflintnselalmyndssvlenhhlavgfkllqee ncdifqnltkkqrqslrkmvidivlatdmskhmnlladlktmvetkkvtssgvllldnys driqvlqnmvhcadlsnptkplqlyrqwtdrimeeffrqgdrerergmeispmcdkhnas veksqvgfidyivhplwetwadlvhpdaqdildtlednrewyqstipqs
>1y2cB (B:) teqedvlakeledvnkwglhvfriaelsgnrpltvimhtifqerdllktfkipvdtlity lmtledhyhadvayhnnihaadvvqsthvllstpaleavftdleilaaifasaihdvdhp gvsnqflintnselalmyndssvlenhhlavgfkllqeencdifqnltkkqrqslrkmvi divlatdmskhmnlladlktmvetkkvtssgvllldnysdriqvlqnmvhcadlsnptkp lqlyrqwtdrimeeffrqgdrerergmeispmcdkhnasveksqvgfidyivhplwetwa dlvhpdaqdildtlednrewyqstip