Chains and heterogens:
PDB Chain Sequences:
>1krcA (A:) meltprekdklllftaalvaerrlarglklnypesvalisafimegardgksvaslmeeg rhvltreqvmegvpemipdiqveatfpdgsklvtvhnpii
>1krcB (B:) mipgeyhvkpgqialntgratcrvvvenhgdrpiqvgshyhfaevnpalkfdrqqaagyr lnipagtavrfepgqkrevelvafaghravfgfrgevmgpl
>1krcC (C:) snisrqayadmfgptvgdkvrladtelwieveddlttygeevkfgggkvirdgmgqgqml aadcvdlvltnalivdhwgivkadigvkdgrifaigkagnpdiqpnvtipigaateviaa egkivtaggidthihwicpqqaeealvsgvttmvgggtgpaagthattctpgpwyisrml qaadslpvnigllgkgnvsqpdalreqvaagviglkihedwgatpaaidcaltvademdi qvalhsdtlnesgfvedtlaaiggrtihtfhtegaggghapdiitacahpnilpsstnpt lpytlntidehldmlmvcahldpdiaedvafaesrirretiaaedvlhdlgafsltssds qamgrvgevilrtwqvahrmkvqrgalaeetgdndnfrvkryiakytinpalthgiahev gsievgkladlvvwspaffgvkpatvikggmiaiapmgdinasiptpqpvhyrpmfgalg sarhhcrltflsqaaaangvaerlnlrsaiavvkgcrtvqkadmvhnslqpnitvdaqty evrvdgelitsepadvlpmaqryflf