Chains and heterogens:
PDB Chain Sequences:
>2iikA (A:) mhhhhhhssgvdlgtenlyfqsmapqasaadvvvvhgrrtaicragrggfkdttpdells avmtavlkdvnlrpeqlgdicvgnvlqpgagaimariaqflsdipetvplstvnrqcssg lqavasiaggirngsydigmacgvesmsladrgnpgnitsrlmekekardclipmgitse nvaerfgisrekqdtfalasqqkaaraqskgcfqaeivpvtttvhddkgtkrsitvtqde girpsttmeglaklkpafkkdgsttagnssqvsdgaaaillarrskaeelglpilgvlrs yavvgvppdimgigpayaipvalqkagltvsdvdifeineafasqaaycveklrlppekv nplggavalghplgctgarqvitllnelkrrgkraygvvsmcigtgmgaaavfeypgn
>2iikA (A:) asaadvvvvhgrrtaicragrggfkdttpdellsavmtavlkdvnlrpeqlgdicvgnvl qpgagaimariaqflsdipetvplstvnrqcssglqavasiaggirngsydigmacgves msladgnitsrlmekekardclipmgitsenvaerfgisrekqdtfalasqqkaaraqsk gcfqaeivpvtttvhddkgtkrsitvtqdegirpsttmeglaklkpafkkdgsttagnss qvsdgaaaillarrskaeelglpilgvlrsyavvgvppdimgigpayaipvalqkagltv sdvdifeineafasqaaycveklrlppekvnplggavalghplgctgarqvitllnelkr rgkraygvvsmcigtgmgaaavfeyp
>2iikB (B:) mhhhhhhssgvdlgtenlyfqsmapqasaadvvvvhgrrtaicragrggfkdttpdells avmtavlkdvnlrpeqlgdicvgnvlqpgagaimariaqflsdipetvplstvnrqcssg lqavasiaggirngsydigmacgvesmsladrgnpgnitsrlmekekardclipmgitse nvaerfgisrekqdtfalasqqkaaraqskgcfqaeivpvtttvhddkgtkrsitvtqde girpsttmeglaklkpafkkdgsttagnssqvsdgaaaillarrskaeelglpilgvlrs yavvgvppdimgigpayaipvalqkagltvsdvdifeineafasqaaycveklrlppekv nplggavalghplgctgarqvitllnelkrrgkraygvvsmcigtgmgaaavfeypgn
>2iikB (B:) tenlyfqsmapqasaadvvvvhgrrtaicragrggfkdttpdellsavmtavlkdvnlrp eqlgdicvgnvlqpgagaimariaqflsdipetvplstvnrqcssglqavasiaggirng sydigmacgvesmslapgnitsrlmekekardclipmgitsenvaerfgisrekqdtfal asqqkaaraqskgcfqaeivpvtttvhddkgtkrsitvtqdegirpsttmeglaklkpaf kkdgsttagnssqvsdgaaaillarrskaeelglpilgvlrsyavvgvppdimgigpaya ipvalqkagltvsdvdifeineafasqaaycveklrlppekvnplggavalghplgctga rqvitllnelkrrgkraygvvsmcigtgmgaaavfeypgn