Chains and heterogens:
PDB Chain Sequences:
>1cs4A (A:) mmfhkiyiqkhdnvsilfadiegftslasqctaqelvmtlnelfarfdklaaenhclrik ilgdcyycvsglpearadhahccvemgmdmieaislvremtgvnvnmrvgihsgrvhcgv lglrkwqfdvwsndvtlanhmeaggkagrihitkatlsylngdyevepgcggernaylke hsietflil
>1cs4B (B:) yhqsydcvcvmfasipdfkefytesdvnkegleclrllneiiadfddllskpkfsgveki ktigstymaatglsaipsqehaqeperqymhigtmvefayalvgkldainkhsfndfklr vginhgpviagvigaqkpqydiwgntvnvasrmdstgvldkiqvteetslilqtlgytct crgiinvkgkgdlktyfvnt
>1cs4B (B:) yhqsydcvcvmfasipdfkefytesdvnkegleclrllneiiadfddllskpkfsgveki ktigstymaatglsairqymhigtmvefayalvgkldainkhsfndfklrvginhgpvia gvigaqkpqydiwgntvnvasrmdstgvldkiqvteetslilqtlgytctcrgiinvkgk gdlktyfvnt
>1cs4C (C:) athrllllgagesgkstivkqmrilhvngfngeggeedpqaarsnsdgekatkvqdiknn lkeaietivaamsnlvppvelanpenqfrvdyilsvmnvpdfdfppefyehakalwedeg vracyersneyqlidcaqyfldkidvikqddyvpsdqdllrcrvltsgifetkfqvdkvn fhmfdvggqrderrkwiqcfndvtaiifvvasssynmvirednqtnrlqealnlfksiwn nrwlrtisvilflnkqdllaekvlagkskiedyfpefaryttpedatpepgedprvtrak yfirdeflristasgdgrhycyphftcavdtenirrvfndcrdiiqrmhl
>1cs4C (C:) athrllllgagesgkstivkqmrilhvgekatkvqdiknnlkeaietivaamsnlvppve lanpenqfrvdyilsvmnvpdfdfppefyehakalwedegvracyersneyqlidcaqyf ldkidvikqddyvpsdqdllrcrvltsgifetkfqvdkvnfhmfdvggqrderrkwiqcf ndvtaiifvvasssynmvirednqtnrlqealnlfksiwnnrwlrtisvilflnkqdlla ekvlagkskiedyfpefaryttpedatpepgedprvtrakyfirdeflristasgdgrhy cyphftcavdtenirrvfndcrdiiqrml