Chains and heterogens:
PDB Chain Sequences:
>1bi7A (A:) mekdglcradqqyecvaeigegaygkvfkardlknggrfvalkrvrvqtgeegmplstir evavlrhletfehpnvvrlfdvctvsrtdretkltlvfehvdqdlttyldkvpepgvpte tikdmmfqllrgldflhshrvvhrdlkpqnilvtssgqikladfglariysfqmaltsvv vtlwyrapevllqssyatpvdlwsvgcifaemfrrkplfrgssdvdqlgkildviglpge edwprdvalprqafhsksaqpiekfvtdidelgkdlllkcltfnpakrisaysalshpyf qdlerckenldshlppsqntselnta
>1bi7A (A:) dqqyecvaeigegaygkvfkardlknggrfvalkrvrvqehpnvvrlfdvctvsrtdret kltlvfehvdqdlttyldkvpepgvptetikdmmfqllrgldflhshrvvhrdlkpqnil vtssgqikladfglariysfqmaltsvvvtlwyrapevllqssyatpvdlwsvgcifaem frrkplfrgssdvdqlgkildviglpgeedwprdvalprqafhsksaqpiekfvtdidel gkdlllkcltfnpakrisaysalshpyfq
>1bi7B (B:) mepaagssmepsadwlataaargrveevralleaganpnapnsygrrpiqvmmmgsarva ellllhgaepncadpatltrpvhdaaregfldtlvvlhragarldvrdawgrlpvdlaee lghrdvarylraaaggtrgsnharidaaegpsdipd
>1bi7B (B:) epsadwlataaargrveevralleaganpnapnsygrrpiqvmmmgsarvaellllhgae pncadpatltrpvhdaaregfldtlvvlhragarldvrdawgrlpvdlaeelghrdvary lraaa