Chains and heterogens:
PDB Chain Sequences:
>1fwaA (A:) meltprekdklllftaalvaerrlarglklnypesvalisafimegardgksvaslmeeg rhvltreqvmegvpemipdiqveatfpdgsklvtvhnpii
>1fwaB (B:) mipgeyhvkpgqialntgratcrvvvenhgdrpiqvgshyhfaevnpalkfdrqqaagyr lnipagtavrfepgqkrevelvafaghravfgfrgevmgpl
>1fwaC (C:) snisrqayadmfgptvgdkvrladtelwieveddlttygeevkfgggkvirdgmgqgqml aadcvdlvltnalivdhwgivkadigvkdgrifaigkagnpdiqpnvtipigaateviaa egkivtaggidthihwicpqqaeealvsgvttmvgggtgpaagthattctpgpwyisrml qaadslpvnigllgkgnvsqpdalreqvaagviglkihedwgatpaaidcaltvademdi qvalhsdtlnesgfvedtlaaiggrtihtfhtegaggghapdiitacahpnilpsstnpt lpytlntidehldmlmvahhldpdiaedvafaesrirretiaaedvlhdlgafsltssds qamgrvgevilrtwqvahrmkvqrgalaeetgdndnfrvkryiakytinpalthgiahev gsievgkladlvvwspaffgvkpatvikggmiaiapmgdinasiptpqpvhyrpmfgalg sarhhcrltflsqaaaangvaerlnlrsaiavvkgcrtvqkadmvhnslqpnitvdaqty evrvdgelitsepadvlpmaqryflf