Chains and heterogens:
PDB Chain Sequences:
>2zfaA (A:) mnnndieynapseikyidvvntydleeeaskvvphggfnyiagasgdewtkrandrawkh kllyprlaqdveapdtsteilghkikapfimapiaahglahttkeagtaravsefgtims isaysgatfeeiseglnggprwfqiymakddqqnrdildeaksdgataiiltadstvsgn rdrdvknkfvypfgmpivqrylrgtaegmslnniygaskqkisprdieeiaghsglpvfv kgiqhpedadmaikrgasgiwvsnhgarqlyeapgsfdtlpaiaervnkrvpivfdsgvr rgehvakalasgadvvalgrpvlfglalggwqgaysvldyfqkdltrvmqltgsqnvedl kgldlfdnpygyey
>2zfaA (A:) ynapseikyidvvntydleeeaskvvphggfnyiagasgdewtkrandrawkhkllyprl aqdveapdtsteilghkikapfimapiaahglahttkeagtaravsefgtimsisaysga tfeeiseglnggprwfqiymakddqqnrdildeaksdgataiiltadstvsgnrdrdfgm pivqrylrgtaeygaskqkisprdieeiaghsglpvfvkgiqhpedadmaikrgasgiwv snhgarqlyeapgsfdtlpaiaervnkrvpivfdsgvrrgehvakalasgadvvalgrpv lfglalggwqgaysvldyfqkdltrvmqltgsqnvedlkgldlfdnpygyey
>2zfaB (B:) mnnndieynapseikyidvvntydleeeaskvvphggfnyiagasgdewtkrandrawkh kllyprlaqdveapdtsteilghkikapfimapiaahglahttkeagtaravsefgtims isaysgatfeeiseglnggprwfqiymakddqqnrdildeaksdgataiiltadstvsgn rdrdvknkfvypfgmpivqrylrgtaegmslnniygaskqkisprdieeiaghsglpvfv kgiqhpedadmaikrgasgiwvsnhgarqlyeapgsfdtlpaiaervnkrvpivfdsgvr rgehvakalasgadvvalgrpvlfglalggwqgaysvldyfqkdltrvmqltgsqnvedl kgldlfdnpygyey
>2zfaB (B:) eynapseikyidvvntydleeeaskvvphggfnyiagasgdewtkrandrawkhkllypr laqdveapdtsteilghkikapfimapiaahglahttkeagtaravsefgtimsisaysg atfeeiseglnggprwfqiymakddqqnrdildeaksdgataiiltadstvaskqkispr dieeiaghsglpvfvkgiqhpedadmaikrgasgiwvsnhgarqlyeapgsfdtlpaiae rvnkrvpivfdsgvrrgehvakalasgadvvalgrpvlfglalggwqgaysvldyfqkdl trvmqltgsqnvedlkgldlfdnpygyey