Chains and heterogens:
PDB Chain Sequences:
>1bi8A (A:) qqyecvaeigegaygkvfkardlknggrfvalkrvrvqtgeegmplstirevavlrhlet fehpnvvrlfdvctvsrtdretkltlvfehvdqdlttyldkvpepgvptetikdmmfqll rgldflhshrvvhrdlkpqnilvtssgqikladfglariysfqmaltsvvvtlwyrapev llqssyatpvdlwsvgcifaemfrrkplfrgssdvdqlgkildviglpgeedwprdvalp rqafhsksaqpiekfvtdidelgkdlllkcltfnpakrisaysalshpyfq
>1bi8A (A:) qqyecvaeigegaygkvfkardlknggrfvalkrvrvqehpnvvrlfdvctvsrtkltlv fehvdqdlttyldkvpepgvptetikdmmfqllrgldflhshrvvhrdlkpqnilvtssg qikladfglariysfqmaltsvvvtlwyrapevllqssyatpvdlwsvgcifaemfrrkp lfrgssdvdqlgkildviglpgeedwprdvalprqafhsksaqpiekfvtdidelgkdll lkcltfnpakrisaysalshpyfq
>1bi8B (B:) vragdrlsgaaargdvqevrrllhrelvhpdalnrfgktalqvmmfgstaialellkqga spnvqdtsgtspvhdaartgfldtlkvlvehgadvnvpdgtgalpihlavqeghtavvsf laaesdlhrrdargltplelalqrgaqdlvdilqg
>1bi8C (C:) qqyecvaeigegaygkvfkardlknggrfvalkrvrvqtgeegmplstirevavlrhlet fehpnvvrlfdvctvsrtdretkltlvfehvdqdlttyldkvpepgvptetikdmmfqll rgldflhshrvvhrdlkpqnilvtssgqikladfglariysfqmaltsvvvtlwyrapev llqssyatpvdlwsvgcifaemfrrkplfrgssdvdqlgkildviglpgeedwprdvalp rqafhsksaqpiekfvtdidelgkdlllkcltfnpakrisaysalshpyfq
>1bi8C (C:) qqyecvaeigegaygkvfkardlknggrfvalkrvrvqehpnvvrlfdvctvsrtkltlv fehvdqdlttyldkvpepgvptetikdmmfqllrgldflhshrvvhrdlkpqnilvtssg qikladfglariysfqmaltsvvvtlwyrapevllqssyatpvdlwsvgcifaemfrrkp lfrgssdvdqlgkildviglpgeedwprdvalprqafhsksaqpiekfvtdidelgkdll lkcltfnpakrisaysalshpyfq
>1bi8D (D:) vragdrlsgaaargdvqevrrllhrelvhpdalnrfgktalqvmmfgstaialellkqga spnvqdtsgtspvhdaartgfldtlkvlvehgadvnvpdgtgalpihlavqeghtavvsf laaesdlhrrdargltplelalqrgaqdlvdilqg