Chains and heterogens:
PDB Chain Sequences:
>1fwiA (A:) meltprekdklllftaalvaerrlarglklnypesvalisafimegardgksvaslmeeg rhvltreqvmegvpemipdiqveatfpdgsklvtvhnpii
>1fwiB (B:) mipgeyhvkpgqialntgratcrvvvenhgdrpiqvgshyhfaevnpalkfdrqqaagyr lnipagtavrfepgqkrevelvafaghravfgfrgevmgplevnde
>1fwiB (B:) mipgeyhvkpgqialntgratcrvvvenhgdrpiqvgshyhfaevnpalkfdrqqaagyr lnipagtavrfepgqkrevelvafaghravfgfrgevmgpl
>1fwiC (C:) msnisrqayadmfgptvgdkvrladtelwieveddlttygeevkfgggkvirdgmgqgqm laadcvdlvltnalivdhwgivkadigvkdgrifaigkagnpdiqpnvtipigaatevia aegkivtaggidtaihwicpqqaeealvsgvttmvgggtgpaagthattctpgpwyisrm lqaadslpvnigllgkgnvsqpdalreqvaagviglkihedwgatpaaidcaltvademd iqvalhsdtlnesgfvedtlaaiggrtihtfhtegaggghapdiitacahpnilpsstnp tlpytlntidehldmlmvchhldpdiaedvafaesrirretiaaedvlhdlgafsltssd sqamgrvgevilrtwqvahrmkvqrgalaeetgdndnfrvkryiakytinpalthgiahe vgsievgkladlvvwspaffgvkpatvikggmiaiapmgdinasiptpqpvhyrpmfgal gsarhhcrltflsqaaaangvaerlnlrsaiavvkgcrtvqkadmvhnslqpnitvdaqt yevrvdgelitsepadvlpmaqryflf
>1fwiC (C:) snisrqayadmfgptvgdkvrladtelwieveddlttygeevkfgggkvirdgmgqgqml aadcvdlvltnalivdhwgivkadigvkdgrifaigkagnpdiqpnvtipigaateviaa egkivtaggidtaihwicpqqaeealvsgvttmvgggtgpaagthattctpgpwyisrml qaadslpvnigllgkgnvsqpdalreqvaagviglkihedwgatpaaidcaltvademdi qvalhsdtlnesgfvedtlaaiggrtihtfhtegaggghapdiitacahpnilpsstnpt lpytlntidehldmlfaesrirretiaaedvlhdlgafsltssdsqamgrvgevilrtwq vahrmkvqrgalaeetgdndnfrvkryiakytinpalthgiahevgsievgkladlvvws paffgvkpatvikggmiaiapmgdinasiptpqpvhyrpmfgalgsarhhcrltflsqaa aangvaerlnlrsaiavvkgcrtvqkadmvhnslqpnitvdaqtyevrvdgelitsepad vlpmaqryflf