Chains and heterogens:
PDB Chain Sequences:
>1uk2A (A:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedllir ksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegk fygpfvdrqtaqaagtdttitlnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrqc sgvtfq
>1uk2A (A:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedllir ksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegk fygpfvdrqtaqaagtdttitlnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrqc sg
>1uk2B (B:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedllir ksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegk fygpfvdrqtaqaagtdttitlnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrqc sgvtfq
>1uk2B (B:) sgfrkmafpsgkvegcmvqvtcgtttlnglwlddtvycprhvictaedmlnpnyedllir ksnhsflvqagnvqlrvighsmqncllrlkvdtsnpktpkykfvriqpgqtfsvlacyng spsgvyqcamrpnhtikgsflngscgsvgfnidydcvsfcymhhmelptgvhagtdlegk fygpfvdrqtaqaagtdttitlnvlawlyaavingdrwflnrftttlndfnlvamkynye pltqdhvdilgplsaqtgiavldmcaalkellqngmngrtilgstiledeftpfdvvrqc sg