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