Chains and heterogens:
PDB Chain Sequences:
>1ktbA (A:) lenglartppmgwlawerfrcnvncredprqcisemlfmemadriaedgwrelgykyini ddcwaakqrdaegrlvpdperfprgikaladyvharglklgiygdlgrltcggypgttld rveqdaqtfaewgvdmlkldgcyssgkeqaqgypqmaralnatgrpivyscswpayqggl ppkvnytllgeicnlwrnyddiqdswdsvlsivdwfftnqdvlqpfagpghwndpdmlii gnfglsyeqsrsqmalwtimaapllmstdlrtispsakkilqnrlmiqinqdplgiqgrr iikegshievflrplsqaasalvffsrrtdmpfryttslaklgfpmgaayevqdvysgki isglktgdnftviinpsgvvmwylcpkalliqqqapggpsrlpll
>1ktbA (A:) lenglartppmgwlawerfrcnvncredprqcisemlfmemadriaedgwrelgykyini ddcwaakqrdaegrlvpdperfprgikaladyvharglklgiygdlgrltcggypgttld rveqdaqtfaewgvdmlkldgcyssgkeqaqgypqmaralnatgrpivyscswpayqggl ppkvnytllgeicnlwrnyddiqdswdsvlsivdwfftnqdvlqpfagpghwndpdmlii gnfglsyeqsrsqmalwtimaapllmstdlrtispsakkilqnrlmiqinqdplgiqgrr iikegshievflrplsqaasalvffsrrtdmpfryttslaklgfpmgaayevqdvysgki isglktgdnftviinpsgvvmwylcpka