Chains and heterogens:
PDB Chain Sequences:
>7dg6A (A:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllir ksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnftikgsflngsagsvgfnidydcvsfcymhhmelptgvhagtdlegn fygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrqc sg