Chains and heterogens:
PDB Chain Sequences:
>7lksA (A:) snigsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyed llirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvla cyngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtd legnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamk ynyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdv vrqcsgvtf
>7lksA (A:) frkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllirks nhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyngsp sgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegnfy gpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynyepl tqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrq
>7lksB (B:) snigsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyed llirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvla cyngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtd legnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamk ynyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdv vrqcsgvtf
>7lksB (B:) frkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllirks nhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyngsp sgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegnfy gpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynyepl tqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrqcs