Chains and heterogens:
PDB Chain Sequences:
>1fokA (A:) kirtfgwvqnpgkfenlkrvvqvfdrnskvhnevknikiptlvkeskiqkelvaimnqhd liytykelvgtgtsirseapcdaiiqatiadqgnkkgyidnwssdgflrwahalgfieyi nksdsfvitdvglaysksadgsaiekeilieaissyppairiltlledgqhltkfdlgkn lgfsgesgftslpegilldtlanampkdkgeirnnwegssdkyarmiggwldklglvkqg kkefiiptlgkpdnkefishafkitgeglkvlrrakgstkftrvpkrvywemlatnltdk eyvrtrralileilikagslkieqiqdnlkklgfdevietiendikglintgifieikgr fyqlkdhilqfvipnrgvtkqlvkseleekkselrhklkyvpheyielieiarnstqdri lemkvmeffmkvygyrgkhlggsrkpdgaiytvgspidygvivdtkaysggynlpigqad emqryveenqtrnkhinpnewwkvypssvtefkflfvsghfkgnykaqltrlnhitncng avlsveelliggemikagtltleevrrkfnngeinf
>1fokA (A:) kirtfgwvqnpgkfenlkrvvqvfdrnskvhnevknikiptlvkeskiqkelvaimnqhd liytykelvgtgtsirseapcdaiiqatiadqgnkkgyidnwssdgflrwahalgfieyi nksdsfvitdvglaysksadgsaiekeilieaissyppairiltlledgqhltkfdlgkn lgfsgesgftslpegilldtlanampkdkgeirnnwegssdkyarmiggwldklglvkqg kkefiiptpdnkefishafkitgeglkvlrrakgsvpkrvywemlatnltdkeyvrtrra lileilikagslkieqiqdnlkklgfdevietiendikglintgifieikgrfyqlkdhi lqfvipnrgvtkqlvkseleekkselrhklkyvpheyielieiarnstqdrilemkvmef fmkvygyrgkhlggsrkpdgaiytvgspidygvivdtkaysggynlpigqademqryvee nqtrnkhinpnewwkvypssvtefkflfvsghfkgnykaqltrlnhitncngavlsveel liggemikagtltleevrrkfnngeinf