Chains and heterogens:
PDB Chain Sequences:
>4i2iA (A:) mgsshhhhhhssglvprgshmspspvpgsqnvpapavkkisqyacqrrttlnnynqlftd aldilaendelrenegsclafmrassvlkslpfpitsmkdtegipclgdkvksiiegiie dgesseakavlnderyksfklftsvfgvglktaekwfrmgfrtlskiqsdkslrftqmqk agflyyedlvscvnrpeaeavsmlvkeavvtflpdalvtmtggfrrgkmtghdvdflits peatedeeqqllhkvtdfwkqqglllycdilestfekfkqpsrkvdaldhfqkcflilkl dhgrvhseksgqqegkgwkairvdlvmcpydrrafallgwtgsrqferdlrryatherkm mldnhalydrtkrvfleaeseeeifahlgldyiepwerna
>4i2iA (A:) kkisqyacqrrttlnnynqlftdaldilaendelrenegsclafmrassvlkslpfpits mkdtegipclgdkvksiiegiiedgesseakavlnderyksfklftsvfgvglktaekwf rmgfrtlskiqsdkslrftqmqkagflyyedlvscvnrpeaeavsmlvkeavvtflpdal vtmtggfrrgkmtghdvdflitspeatedeeqqllhkvtdfwkqqglllycdihfqkcfl ilkldhgrvhsekkgwkairvdlvmcpydrrafallgwtgsrqferdlrryatherkmml dnhalydrtkrvfleaeseeeifahlgldyiepwerna