2026-08-12 REL PDBj INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY INITIAL_RELEASE REPOSITORY STRUCTURE_SUMMARY chem_comp_atom chem_comp_bond database_2 em_admin pdbx_entry_details pdbx_validate_chiral _database_2.pdbx_DOI _database_2.pdbx_database_accession _em_admin.last_update _pdbx_entry_details.has_protein_modification EXPERIMENTAL_SUMMARY database_2 em_admin _database_2.pdbx_DOI _database_2.pdbx_database_accession _em_admin.last_update DERIVED_CALCULATIONS em_admin pdbx_validate_close_contact struct_conn _em_admin.last_update EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update REMEDIATION REPOSITORY Metalloprotein remediation STRUCTURE_SUMMARY em_admin pdbx_entry_details pdbx_modification_feature pdbx_nonpoly_atom_coordination pdbx_nonpoly_atom_coordination_sphere pdbx_nonpoly_atom_coordination_sphere_order pdbx_struct_conn_angle pdbx_validate_close_contact struct_conn _em_admin.last_update _pdbx_entry_details.has_protein_modification EXPERIMENTAL_SUMMARY em_admin _em_admin.last_update PDBj PDBj 2020-11-04 2021-08-04 2021-08-04 2026-08-12 Cryo-EM structure of a heme-copper terminal oxidase dimer provides insights into its catalytic mechanism Fei S Hartmut M electron cryo-microscopy, heme-copper oxidase, cytochrome c oxidase dimer, Aquifex aeolicus, naphthoquinone, OXIDOREDUCTASE Zhu G Zeng H Zhang S Juli J Tai L Zhang D Pang X Zhang Y Lam SM Zhu Y Peng G Michel H Sun F The Unusual Homodimer of a Heme-Copper Terminal Oxidase Allows Itself to Utilize Two Electron Donors. Angew.Chem.Int.Ed.Engl. GE 60 13323 13330 2021 33665933 doi:10.1002/anie.202016785 1521-3773 0179 ACIEAY 7deg FULLOVERLAP EMDB EMD-30657 associated EM volume
Cryo-EM structure of a heme-copper terminal oxidase dimer provides insights into its catalytic mechanism
 cytochrome c oxidase (respiratory complex IV) cytochrome c oxidase (respiratory complex IV) 0 1 2 3 Aquifex aeolicus VF5 Cytochrome c oxidase subunit I Aquifex aeolicus (strain VF5) VF5 0.065861594 2 LEVO VSNAIKFIILTEIIFPTLLLVFGIYHGVMQVFYRSGIIKAESFLGIDYYQGLTLHGVINVIVYTTIFIVGFSNAIVAYSL KKPLREKVQWIALGMMVIGTLMAAWAMFTGRATVLYTFYPPLIAHWTFYLGAVLLVLGSLVPFFFDWIPSAIQWKRENPD QKLPLAVFGTFVNFILWTIMIVPVAIEILFQLLPLSLGLVDEINPLLARTLFWFFGHPVVYFWLLPAYVALYTILPKIVS EKGKLYSDPAARLAFILFLIFSLPVGLHHQFTDPGITNTWKLIHALFTFGVALPSMITAFTVATSLEYSVKAEHPELKNS KFYWWTFLPFMRLEGNKWMFSYFFAGLVLFFIGGITGIVNASYNVNLVVHNTAYVPGHFHTTVGGLVLLVFFALSLYMVS KLRGSEVKLKGLAVLAPYFWMQGMFMFSYAMMVGGVVVGFPRRTNAGLTYLNPDSPLYRPEWTGYAQLAAVGGVLLAIGF AFYFASLIATALAPKVRESTLEFPIADAYHDAPAPLLNNLKTWTVAAIILAVLSYIPPLYDASVRGVFFKSPAYNEKFPM PLKQLQGAEKKEEKKELSKAEGGITQK O67937 Cytochrome oxidase subunit IIa Aquifex aeolicus 0.003944789 2 LEVO FFPSGTIAFFIFMMVFYAVLWFMIYWVLLERG Cytochrome oxidase subunit II Aquifex aeolicus 0.016479371 2 LEVO RAEKTGLTLALILLLTFFSLIVYAAKGLKIDIPTCVTDVEPFQEGKLIKHGDKRYELHILARMWYFDFNKGATEIKIPVG SVVDIFTTSKDVVHGVHIHGTNYNVMAIPGTVGYMRIKFEKPGVYHVVCHEFCGVGHHAMQGKIIVE G5DGC8 HEME-AS 0.0009209539999999999 2 HAS PROTOPORPHYRIN IX CONTAINING FE 0.000616487 2 HEM COPPER (II) ION 6.354599999999999e-05 2 CU 2-[(2~{E},6~{E},10~{Z},14~{Z},18~{Z},23~{R})-3,7,11,15,19,23,27-heptamethyloctacosa-2,6,10,14,18-pentaenyl]naphthalene-1,4-dione 0.000639004 2 DLX (1R)-2-{[{[(2S)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (11E)-OCTADEC-11-ENOATE 0.0007490069999999999 6 PGV 1,2-Distearoyl-sn-glycerophosphoethanolamine 0.000748065 2 3PE DINUCLEAR COPPER ION 0.00012709199999999998 2 CUA singleParticle particle 1.5 7.4 ETHANE FEI TITAN KRIOS OTHER BRIGHT FIELD FIELD EMISSION GUN 300 GATAN K2 SUMMIT (4k x 4k) 60.0 1 NONE 3.4 FSC 0.143 CUT-OFF 32982 MAXIMUM LIKELIHOOD MAXIMUM LIKELIHOOD emd_30657.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 256 256 256 0 0 0 256 256 256 266.24 266.24 266.24 90.0 90.0 90.0 X Y Z -0.051110007 0.07655099 0.0001745497 0.002083544 1.04 1.04 1.04 0.02 AUTHOR