Chains and heterogens:
PDB Chain Sequences:
>7k0fA (A:) snigsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyed llirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvla cyngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtd legnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamk ynyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdv vrqcsgvtf
>7k0fA (A:) rkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllirksn hnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyngsps gvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegnfyg pfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynyeplt qdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrqc
>7k0fB (B:) snigsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyed llirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvla cyngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtd legnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamk ynyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdv vrqcsgvtf
>7k0fB (B:) frkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllirks nhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyngsp sgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegnfy gpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynyepl tqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrqcs