Chains and heterogens:
PDB Chain Sequences:
>3zp6E (E:) mekivllfaivslvksdqicigyhannsteqvdtimeknvtvthaqdilekkhngklcdl dgvkplilrdcsvagwllgnpmcdefinvpewsyivekanpvndlcypgdfndyeelkhl lsrinhfekiqiipksswssheaslgvssacpyqgkssffrnvvwlikknstyptikrsy nntnqedllvlwgihhpndaadqtklyqnpttyisvgtstlnqrlvpriatrskvngqsg rmeffwtilkpndainfesngnfiapeyaykivkkgdstimkseleygncntkcqtpmga inssmpfhnihpltigecpkyvksnrlvlatglrnspqre
>3zp6E (E:) dqicigyhannsteqvdtimeknvtvthaqdilekkhngklcdldgvkplilrdcsvagw llgnpmcdefinvpewsyivekanpvndlcypgdfndyeelkhllsrinhfekiqiipks swssheaslgvssacpyqgkssffrnvvwlikknstyptikrsynntnqedllvlwgihh pndaadqtklyqnpttyisvgtstlnqrlvpriatrskvngqsgrmeffwtilkpndain fesngnfiapeyaykivkkgdstimkseleygncntkcqtpmgainssmpfhnihpltig ecpkyvksnrlvlatglrnsp
>3zp6F (F:) glfgaiagfieggwqgmvdgwygyhhsneqgsgyaadkestqkaidgvtnkvnsiidkmn tqfeavgrefnnlerrienlnkkmedgfldvwtynaellvlmenertldfhdsnvknlyd kvrlqlrdnakelgngcfefyhkcdnecmesvrngtydyp
>3zp6F (F:) glfgaiagfieggwqgmvdgwygyhhsneqgsgyaadkestqkaidgvtnkvnsiidkmn tqfeavgrefnnlerrienlnkkmedgfldvwtynaellvlmenertldfhdsnvknlyd kvrlqlrdnakelgngcfefyhkcdnecmesvrngtyd