Chains and heterogens:
PDB Chain Sequences:
>1qzeA (A:) gplgssavtitlktlqqqtfkirmepdetvkvlkekieaekgrdafpvagqkliyagkil sddvpirdyrideknfvvvmvtktkagqgtsappeasptaapesstsfppaptsgmshpp paaredkspseesapttspesvsgsvpssgssgreedaastlvtgseyetmlteimsmgy erervvaalrasynnphraveylltgipgspepehgsvqesqvseqpateaagenplefl rdqpqfqnmrqviqqnpallpallqqlgqenpqllqqisrhqeqfiqmlneppgeladis dvegevgaigeeapqmnyiqvtpqekeaierlkalgfpeslviqayfaceknenlaanfl lsqnfdde
>1qzeA (A:) savtitlktlqqqtfkirmepdetvkvlkekieaekgrdafpvagqkliyagkilsddvp irdyrideknfvvvmvtgseyetmlteimsmgyerervvaalrasynnphraveylltle flrdqpqfqnmrqviqqnpallpallqqlgqenpqllqqisrhqeqfiqmtpqekeaier lkalgfpeslviqayfaceknenlaanfllsqnf