Chains and heterogens:
PDB Chain Sequences:
>2nacA (A:) akvlcvlyddpvdgypktyarddlpkidhypggqtlptpkaidftpgqllgsvsgelglr kylesnghtlvvtsdkdgpdsvferelvdadvvisqpfwpayltperiakaknlklalta gigsdhvdlqsaidrnvtvaevtycnsisvaehvvmmilslvrnylpshewarkggwnia dcvshaydleamhvgtvaagriglavlrrlapfdvhlhytdrhrlpesvekelnltwhat redmypvcdvvtlncplhpetehmindetlklfkrgayivntargklcdrdavaralesg rlagyagdvwfpqpapkdhpwrtmpyngmtphisgttltaqaryaagtreilecffegrp irdeylivqggala
>2nacB (B:) akvlcvlyddpvdgypktyarddlpkidhypggqtlptpkaidftpgqllgsvsgelglr kylesnghtlvvtsdkdgpdsvferelvdadvvisqpfwpayltperiakaknlklalta gigsdhvdlqsaidrnvtvaevtycnsisvaehvvmmilslvrnylpshewarkggwnia dcvshaydleamhvgtvaagriglavlrrlapfdvhlhytdrhrlpesvekelnltwhat redmypvcdvvtlncplhpetehmindetlklfkrgayivntargklcdrdavaralesg rlagyagdvwfpqpapkdhpwrtmpyngmtphisgttltaqaryaagtreilecffegrp irdeylivqggala