Chains and heterogens:
PDB Chain Sequences:
>1g4uR (R:) mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag qedydrlrplsypqtdvslicfslvspasfenvrakwypevrhhcpntpiilvgtkldlr ddkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlcpp pvkk
>1g4uR (R:) mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag qedydrlrplsypqtdvslicfslvspasfenvrakwypevrhhcpntpiilvgtkldlr ddkdtieklkekkltpitypqglamakeigavkylecsaltqrglktvfdeairavlcpp
>1g4uS (S:) ndvgaeskqplldialkglkrtlpqleqmdgnslrenfqemasgngplrslmtnlqnlnk ipeakqlndyvttltniqvgvarfsqwgtcggeverwvdkastheltqavkkihviakel knvtaelekieagapmpqtmsgptlglarfavssipinqqtqvklsdgmpvpvntltfdg kpvalagsypkntpdaleahmkmllekecsclvvltsedqmqakqlppyfrgsytfgevh tnsqkvssasqgeaidqynmqlscgekrytipvlhvknwpdhqplpstdqleyladrvkn snqngapgrsssdkhlpmihclggvgrtgtmaaalvlkdnphsnleqvradfrdsrnnrm ledasqfvqlkamqaqllmttas
>1g4uS (S:) skqplldialkglkrtlpqleqmdgnslrenfqemasgngplrslmtnlqnlnkipeakq lndyvttltniqvgvarfsqwgtcggeverwvdkastheltqavkkihviakelknvtae lekieagapmpqtmsgptlglarfavssipinqqtqvklsdgmpvpvntltfdgkpvala gsypkntpdaleahmkmllekecsclvvltsedqmqakqlppyfrgsytfgevhtnsqkv ssasqgeaidqynmqlscgekrytipvlhvknwpdhqplpstdqleyladrvknkhlpmi hclggvgrtgtmaaalvlkdnphsnleqvradfrdsrnnrmledasqfvqlkamqaqllm