Chains and heterogens:
PDB Chain Sequences:
>4i2jA (A:) mgsshhhhhhssglvprgshmspspvpgsqnvpapavkkisqyacqrrttlnnynqlftd aldilaendelrenegsclafmrassvlkslpfpitsmkdtegipclgdkvksiiegiie dgesseakavlnderyksfklftsvfgvglktaekwfrmgfrtlskiqsdkslrftqmqk agflyyedlvscvnrpeaeavsmlvkeavvtflpdalvtmtggfrrgkmtghdvdflits peatedeeqqllhkvtdfwkqqglllycdilestfekfkqpsrkvdaldhfqkcflilkl dhgrvhseksgqqegkgwkairvdlvmcpydrrafallgwtgsrqferdlrryatherkm mldnhalydrtkrvfleaeseeeifahlgldyiepwerna
>4i2jA (A:) kisqyacqrrttlnnynqlftdaldilaendelrenegsclafmrassvlkslpfpitsm kdtegipclgdkvksiiegiiedgesseakavlnderyksfklftsvfgvglktaekwfr mgfrtlskiqsdkslrftqmqkagflyyedlvscvnrpeaeavsmlvkeavvtflpdalv tmtggfrrgkmtghdvdflitspeatedeeqqllhkvtdfwkqqglllycdilestfekf kqpdaldhfqkcflilkldhgrvhsekgkgwkairvdlvmcpydrrafallgwtgsrqfe rdlrryatherkmmldnhalydrtkrvfleaeseeeifahlgldyiepwerna