Chains and heterogens:
PDB Chain Sequences:
>1ds6A (A:) mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdskpvnlglwdtag qedydrlrplsypqtdvflicfslvspasyenvrakwfpevrhhcpstpiilvgtkldlr ddkdtieklkekklapitypqglalakeidsvkylecsaltqrglktvfdeairavlcpq ptrqqkracsll
>1ds6A (A:) mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdskpvnlglwdtag qedydrlrplsypqtdvflicfslvspasyenvrakwfpevrhhcpstpiilvgtkldlr ddkdtieklkekklapitypqglalakeidsvkylecsaltqrglktvfdeairavlcpq p
>1ds6B (B:) gnykpppqkslkelqemdkddeslikykktllgdgpvvtdpkapnvvvtrltlvcesapg pitmdltgdlealkketivlkegseyrvkihfkvnrdivsglkyvqhtyrtgvkvdkatf mvgsygprpeeyefltpveeapkgmlargtyhnksfftdddkqdhlswewnlsikkewge
>1ds6B (B:) gnykpppqkslkelqemdkddeslikykktllgdgpvvtdpkapnvvvtrltlvcesapg pitmdltgdlealkketivlkegseyrvkihfkvnrdivsglkyvqhtyrtgvkvdkatf mvgsygprpeeyefltpveeapkgmlargtyhnksfftdddkqdhlswewnlsikkewg