Chains and heterogens:
PDB Chain Sequences:
>1i1fA (A:) gshsmryfftsvsrpgrgeprfiavgyvddtqfvrfdsdaasqrmeprapwieqegpeyw dgetrkvkahsqthrvdlgtlrgyynqseagshtvqrmygcdvgsdwrflrgyhqyaydg kdyialkedlrswtaadmaaqttkhkweaahvaeqlraylegtcvewlrrylengketlq rtdapkthmthhavsdheatlrcwalsfypaeitltwqrdgedqtqdtelvetrpagdgt fqkwaavvvpsgqeqrytchvqheglpkpltlrwe
>1i1fB (B:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm
>1i1fD (D:) gshsmryfftsvsrpgrgeprfiavgyvddtqfvrfdsdaasqrmeprapwieqegpeyw dgetrkvkahsqthrvdlgtlrgyynqseagshtvqrmygcdvgsdwrflrgyhqyaydg kdyialkedlrswtaadmaaqttkhkweaahvaeqlraylegtcvewlrrylengketlq rtdapkthmthhavsdheatlrcwalsfypaeitltwqrdgedqtqdtelvetrpagdgt fqkwaavvvpsgqeqrytchvqheglpkpltlrwe
>1i1fE (E:) miqrtpkiqvysrhpaengksnflncyvsgfhpsdievdllkngeriekvehsdlsfskd wsfyllyyteftptekdeyacrvnhvtlsqpkivkwdrdm