Chains and heterogens:
PDB Chain Sequences:
>1nr6A (A:) makktsskgklppgptpfpiignilqidakdisksltkfsecygpvftvylgmkptvvlh gyeavkealvdlgeefagrgsvpilekvskglgiafsnaktwkemrrfslmtlrnfgmgk rsiedriqeearclveelrktnaspcdptfilgcapcnvicsvifhnrfdykdeeflklm eslhenvellgtpwlqvynnfpalldyfpgihktllknadyiknfimekvkehqklldvn nprdfidcflikmeqennleftleslviavsdlfgagtettsttlryslllllkhpevaa rvqeeiervigrhrspcmqdrsrmpytdaviheiqrfidllptnlphavtrdvrfrnyfi pkgtdiitsltsvlhdekafpnpkvfdpghfldesgnfkksdyfmpfsagkrmcvgegla rmelflfltsilqnfklqslvepkdlditavvngfvsvppsyqlcfipihhhh
>1nr6A (A:) gklppgptpfpiignilqidakdisksltkfsecygpvftvylgmkptvvlhgyeavkea lvdlgeefagrgsvpilekvskglgiafsnaktwkemrrfslmtlrnfgmgkrsiedriq eearclveelrktnaspcdptfilgcapcnvicsvifhnrfdykdeeflklmeslhenve llgtpwlqvynnfpalldyfpgihktllknadyiknfimekvkehqklldvnnprdfidc flikmeqennleftleslviavsdlfgagtettsttlryslllllkhpevaarvqeeier vigrhrspcmqdrsrmpytdaviheiqrfidllptnlphavtrdvrfrnyfipkgtdiit sltsvlhdekafpnpkvfdpghfldesgnfkksdyfmpfsagkrmcvgeglarmelflfl tsilqnfklqslvepkdlditavvngfvsvppsyqlcfipih