Chains and heterogens:
PDB Chain Sequences:
>1r1lI (I:) hgspvdictakprdipmnpmciyrspekkatedegseqkipeatnrrvwelskansrfat tfyqhladskndndniflsplsistafamtklgacndtlqqlmevfkfdtisektsdqih fffaklncrlyrkankssklvsanrlfgdksltfnetyqdiselvygaklqpldfkenae qsraainkwvsnktegritdvipseaineltvlvlvntiyfkglwkskfspentrkelfy kadgescsasmmyqegkfryrrvaegtqvlelpfkgdditmvlilpkpekslakvekelt pevlqewldeleemmlvvhmprfriedgfslkeqlqdmglvdlfspeksklpgivaegrd dlyvsdafhkaflevneegseaaastavviagrslnpnrvtfkanrpflvfirevplnti ifmgrvanpcvk
>1r1lI (I:) vdictakprdipmnpmciyrspekkpeatnrrvwelskansrfattfyqhladskndndn iflsplsistafamtklgacndtlqqlmevfkfdtisektsdqihfffaklncrlyrkan kssklvsanrlfgdksltfnetyqdiselvygaklqpldfkenaeqsraainkwvsnkte gritdvipseaineltvlvlvntiyfkglwkskfspentrkelfykadgescsasmmyqe gkfryrrvaegtqvlelpfkgdditmvlilpkpekslakvekeltpevlqewldeleemm lvvhmprfriedgfslkeqlqdmglvdlfspeksklpgivaegrddlyvsdafhkaflev neegseaaastavviagrslnpnrvtfkanrpflvfirevplntiifmgrvanpcv
>1r1lL (L:) hgspvdictakprdipmnpmciyrspekkatedegseqkipeatnrrvwelskansrfat tfyqhladskndndniflsplsistafamtklgacndtlqqlmevfkfdtisektsdqih fffaklncrlyrkankssklvsanrlfgdksltfnetyqdiselvygaklqpldfkenae qsraainkwvsnktegritdvipseaineltvlvlvntiyfkglwkskfspentrkelfy kadgescsasmmyqegkfryrrvaegtqvlelpfkgdditmvlilpkpekslakvekelt pevlqewldeleemmlvvhmprfriedgfslkeqlqdmglvdlfspeksklpgivaegrd dlyvsdafhkaflevneegseaaastavviagrslnpnrvtfkanrpflvfirevplnti ifmgrvanpcvk
>1r1lL (L:) vdictakprdipmnpmciyeatnrrvwelskansrfattfyqhladskndndniflspls istafamtklgacndtlqqlmevfkfdtisektsdqihfffaklncrlyrkankssklvs anrlfgdksltfnetyqdiselvygaklqpldfkenaeqsraainkwvsnktegritdvi pseaineltvlvlvntiyfkglwkskfspentrkelfykadgescsasmmyqegkfryrr vaegtqvlelpfkgdditmvlilpkpekslakvekeltpevlqewldeleemmlvvhmpr friedgfslkeqlqdmglvdlfspeksklpgivaegrddlyvsdafhkaflevneegsea aastavviagrslnpnrvtfkanrpflvfirevplntiifmgrvanpcv