Chains and heterogens:
PDB Chain Sequences:
>2qc2A (A:) gssgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedll irksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacy ngspsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdle gkfygpfvdrqtaqaagtdttitlnvlawlyaaviagdrwflnrftttlndfnlvamkyn yepltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvr qcsgvtfq
>2qc2A (A:) ssgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedlli rksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyn gspsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdleg kfygpfvdrqtaqaagtdttitlnvlawlyaaviagdrwflnrftttlndfnlvamkyny epltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrq csgvt
>2qc2B (B:) gssgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedll irksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacy ngspsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdle gkfygpfvdrqtaqaagtdttitlnvlawlyaaviagdrwflnrftttlndfnlvamkyn yepltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvr qcsgvtfq
>2qc2B (B:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedllir ksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegk fygpfvdrqtaqaagtdttitlnvlawlyaaviagdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrqc sgvtf