Chains and heterogens:
PDB Chain Sequences:
>1xn0A (A:) mgsshhhhhhssglvprgshmsisrfgvntenedhlakeledlnkwglnifnvagyshnr pltcimyaifqerdllktfrissdtfitymmtledhyhsdvayhnslhaadvaqsthvll stpaldavftdleilaaifaaaihdvdhpgvsnqflintnselalmyndesvlenhhlav gfkllqeehcdifmnltkkqrqtlrkmvidmvlatdmskhmslladlktmvetkkvtssg vllldnytdriqvlrnmvhcadlsnptkslelyrqwtdrimeeffqqgdkerergmeisp mcdkhtasveksqvgfidyivhplwetwadlvqpdaqdildtlednrnwyqsmipqspsp pldeqnrdcqglmekfqfeltldeedsegpekegeghs
>1xn0A (A:) edhlakeledlnkwglnifnvagyshnrpltcimyaifqerdllktfrissdtfitymmt ledhyhsdvayhnslhaadvaqsthvllstpaldavftdleilaaifaaaihdvdhpgvs nqflintnselalmyndesvlenhhlavgfkllqeehcdifmnltkkqrqtlrkmvidmv latdmskhmslladlktmvetkkvtssgvllldnytdriqvlrnmvhcadlsnptkslel yrqwtdrimeeffqqgdkerergmeispmcdkhtasveksqvgfidyivhplwetwadlv qpdaqdildtlednrnwyqsmip
>1xn0B (B:) mgsshhhhhhssglvprgshmsisrfgvntenedhlakeledlnkwglnifnvagyshnr pltcimyaifqerdllktfrissdtfitymmtledhyhsdvayhnslhaadvaqsthvll stpaldavftdleilaaifaaaihdvdhpgvsnqflintnselalmyndesvlenhhlav gfkllqeehcdifmnltkkqrqtlrkmvidmvlatdmskhmslladlktmvetkkvtssg vllldnytdriqvlrnmvhcadlsnptkslelyrqwtdrimeeffqqgdkerergmeisp mcdkhtasveksqvgfidyivhplwetwadlvqpdaqdildtlednrnwyqsmipqspsp pldeqnrdcqglmekfqfeltldeedsegpekegeghs
>1xn0B (B:) edhlakeledlnkwglnifnvagyshnrpltcimyaifqerdllktfrissdtfitymmt ledhyhsdvayhnslhaadvaqsthvllstpaldavftdleilaaifaaaihdvdhpgvs nqflintnselalmyndesvlenhhlavgfkllqeehcdifmnltkkqrqtlrkmvidmv latdmskhmslladlktmvetkkvtssgvllldnytdriqvlrnmvhcadlsnptkslel yrqwtdrimeeffqqgdkerergmeispmcdkhtasveksqvgfidyivhplwetwadlv qpdaqdildtlednrnwyqsmip