Chains and heterogens:
PDB Chain Sequences:
>1ikqA (A:) aeeafdlwnecakacvldlkdgvrssrmsvdpaiadtngqgvlhysmvleggndalklai dnalsitsdgltirleggvepnkpvrysytrqargswslnwlvpighekpsnikvfihel nagnqlshmspiytiemgdellaklardatffvrahesnemqptlaishagvsvvmaqaq prrekrwsewasgkvlclldpldgvynylaqqrcnlddtwegkiyrvlagnpakhdldik ptvishrlhfpeggslaaltahqachlpletftrhrqprgweqleqcgypvqrlvalyla arlswnqvdqvirnalaspgsggdlgeaireqpeqarlaltlaaaeserfvrqgtgndea gaanadvvsltcpvaagecagpadsgdallernyptgaeflgdggdvsfstrgtqnwtve rllqahrqleergyvfvgyhgtfleaaqsivfggvrarsqdldaiwrgfyiagdpalayg yaqdqepdargrirngallrvyvprsslpgfyrtsltlaapeaageverlighplplrld aitgpeeeggrletilgwplaertvvipsaiptdprnvggdldpssipdkeqaisalpdy asqpgkppredlk
>1ikqA (A:) eeafdlwnecakacvldlkdgvrssrmsvdpaiadtngqgvlhysmvleggndalklaid nalsitsdgltirleggvepnkpvrysytrqargswslnwlvpighekpsnikvfiheln agnqlshmspiytiemgdellaklardatffvrahesnemqptlaishagvsvvmaqkrw sewasgkvlclldpldgvynylaqqrcnlddtwegkiyrvlagnpakhdldikptvishr lhfpeggslaaltahqachlpletftrhrqprgweqleqcgypvqrlvalylaarlswnq vdqvirnalaspgsggdlgeaireqpeqarlaltlaaaeserfvrqgtgndeagaanadv vsltcpvaagecagpadsgdallernyptgaeflgdggdvsfstrgtqnwtverllqahr qleergyvfvgyhgtfleaaqsivfggvrarsqdldaiwrgfyiagdpalaygyaqdqep dargrirngallrvyvprsslpgfyrtsltlaapeaageverlighplplrldaitgpee eggrletilgwplaertvvipsaiptdprnvggdldpssipdkeqaisalpdyasqpgk