Chains and heterogens:
PDB Chain Sequences:
>7kvlA (A:) gamsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedl lirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlac yngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdl egnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamky nyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvv rqcsgvtfq
>7kvlA (A:) gamsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedl lirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlac yngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdl egnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamky nyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvv rqcs
>7kvlB (B:) gamsgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedl lirksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlac yngspsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdl egnfygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamky nyepltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvv rqcsgvtfq
>7kvlB (B:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddvvycprhvictsedmlnpnyedllir ksnhnflvqagnvqlrvighsmqncvlklkvdtanpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnftikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegn fygpfvdrqtaqaagtdttitvnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaslkellqngmngrtilgsalledeftpfdvvrqc