Chains and heterogens:
PDB Chain Sequences:
>1hh4A (A:) pqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag qedydrlrplsypqtdvslicfslvspasfenvrakwypevrhhcpntpiilvgtkldlr ddkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlcpp pvkkrkrkc
>1hh4B (B:) pqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag qedydrlrplsypqtdvslicfslvspasfenvrakwypevrhhcpntpiilvgtkldlr ddkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlcpp pvkkrkrkc
>1hh4D (D:) eqlaqiaaeneedehsvnykppaqksiqeiqeldkddeslrkykeallgrvavsadpnvp nvvvtgltlvcssapgpleldltgdlesfkkqsfvlkegveyrikisfrvnreivsgmky iqhtyrkgvkidktdymvgsygpraeeyefltpveeapkgmlargsysiksrftdddktd hlswewnltikkd
>1hh4D (D:) eqlaqiaaeneedehsvnykppaqksiqeiqeldkddeslrkykeallgrnvpnvvvtgl tlvcssapgpleldltgdlesfkkqsfvlkegveyrikisfrvnreivsgmkyiqhtyrk gvkidktdymvgsygpraeeyefltpveeapkgmlargsysiksrftdddktdhlswewn ltikkd
>1hh4E (E:) hsvnykppaqksiqeiqeldkddeslrkykeallgrvavsadpnvpnvvvtgltlvcssa pgpleldltgdlesfkkqsfvlkegveyrikisfrvnreivsgmkyiqhtyrkgvkidkt dymvgsygpraeeyefltpveeapkgmlargsysiksrftdddktdhlswewnltikkdw