← Back to search

Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P00420 New Search
11PDB entries
11Biological assembly
15chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
6HU9 III2-IV2 mitochondrial respiratory supercomplex from S. cerevisiae Deposited 2018-10-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 44 PDB declaration: 44-meric（44） Consistent with protein count
Chain c 1–269（269 aa）
Chain o 1–269（269 aa）
Not recorded PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 28 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 1 CDL CARDIOLIPIN × 8 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 8 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 2 HEA HEME-A × 4 CA CALCIUM ION × 2 MG MAGNESIUM ION × 2 CUA DINUCLEAR COPPER ION × 4 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microL of sample applied to negatively glow discharged grid, blot force -10; blotting time 8.5 sec
Resolution 3.35 Å
6T0B The III2-IV(5B)2 respiratory supercomplex from S. cerevisiae Deposited 2019-10-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 46 PDB declaration: 46-meric（46） Consistent with protein count
Chain c 1–269（269 aa）
Chain p 1–269（269 aa）
Not recorded CDL CARDIOLIPIN × 8 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 26 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 7 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 2 HEA HEME-A × 4 CA CALCIUM ION × 2 MG MAGNESIUM ION × 2 CUA DINUCLEAR COPPER ION × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microliter of sample applied to negatively glow discharged grid, blot force -10; blotting time 8.5 s
Resolution 2.80 Å
6T15 The III2-IV(5B)1 respiratory supercomplex from S. cerevisiae Deposited 2019-10-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 33 PDB declaration: 33-meric（33） Consistent with protein count
Chain c 1–269（269 aa）
Not recorded PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CDL CARDIOLIPIN × 7 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 1 HEA HEME-A × 2 MG MAGNESIUM ION × 1 CUA DINUCLEAR COPPER ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microliter of sample applied to negatively glow discharged grid, blot force -10; blotting time 8.5 s
Resolution 3.29 Å
6YMX CIII2/CIV respiratory supercomplex from Saccharomyces cerevisiae Deposited 2020-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain c 2–269（268 aa）
Not recorded CU COPPER (II) ION × 1 HEA HEME-A × 2 PTY PHOSPHATIDYLETHANOLAMINE × 7 CN3 (2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate × 2 CUA DINUCLEAR COPPER ION × 1 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 5 ZN ZINC ION × 1 6PH (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 6 8PE (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 CN5 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 2 9PE (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 7PH (1R)-2-(dodecanoyloxy)-1-[(phosphonooxy)methyl]ethyl tetradecanoate × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
6YMY Cytochrome c oxidase from Saccharomyces cerevisiae Deposited 2020-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain c 2–269（268 aa）
Not recorded CU COPPER (II) ION × 1 HEA HEME-A × 2 PTY PHOSPHATIDYLETHANOLAMINE × 7 CN3 (2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate × 1 CUA DINUCLEAR COPPER ION × 1 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 3 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.41 Å
7Z10 Monomeric respiratory complex IV isolated from S. cerevisiae Deposited 2022-02-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain c 1–269（269 aa）
Not recorded CU COPPER (II) ION × 1 HEA HEME-A × 2 MG MAGNESIUM ION × 1 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 3 CUA DINUCLEAR COPPER ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microliters of sample applied to negatively glow discharged grig.
Resolution 3.87 Å
8DH6 Cryo-EM structure of Saccharomyces cerevisiae cytochrome c oxidase (Complex IV) extracted in lipid nanodiscs Deposited 2022-06-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain c 1–269（269 aa）
Not recorded CA CALCIUM ION × 1 MG MAGNESIUM ION × 1 CU COPPER (II) ION × 2 HEA HEME-A × 2 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 10 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
8E7S III2IV2 respiratory supercomplex from Saccharomyces cerevisiae with 4 bound UQ6 Deposited 2022-08-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 44 PDB declaration: 44-meric（44） Consistent with protein count
Chain O 1–269（269 aa）
Chain o 1–269（269 aa）
Not recorded PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 24 FES FE2/S2 (INORGANIC) CLUSTER × 2 CDL CARDIOLIPIN × 10 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 CN5 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 6 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 4 HEA HEME-A × 4 CU COPPER (II) ION × 2 CUA DINUCLEAR COPPER ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8EC0 III2IV respiratory supercomplex from Saccharomyces cerevisiae cardiolipin-lacking mutant Deposited 2022-08-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 30 PDB declaration: 30-meric（30） Consistent with protein count
Chain O 1–269（269 aa）
Not recorded PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 15 PGT (1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE × 7 FES FE2/S2 (INORGANIC) CLUSTER × 2 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 4 HEM PROTOPORPHYRIN IX CONTAINING FE × 6 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 2 CU COPPER (II) ION × 1 HEA HEME-A × 2 CUA DINUCLEAR COPPER ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9BPB Tethered respiratory III2IV2 supercomplex from Saccharomyces cerevisiae Deposited 2024-05-07 Assembly 1 Insufficient information Heteromer；Protein × 42 PDB declaration: 42-meric（42） Consistent with protein count
Chain c 1–269（269 aa）
Chain o 1–269（269 aa）
Not recorded CDL CARDIOLIPIN × 8 6PH (1R)-2-(phosphonooxy)-1-[(tridecanoyloxy)methyl]ethyl pentadecanoate × 2 8PE (2R)-3-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl octadecanoate × 2 CN5 (5S,11R)-5,8,11-trihydroxy-5,11-dioxido-17-oxo-4,6,10,12,16-pentaoxa-5,11-diphosphaoctadec-1-yl pentadecanoate × 1 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 4 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 9PE (1R)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(heptanoyloxy)methyl]ethyl octadecanoate × 2 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 6 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 8 PTY PHOSPHATIDYLETHANOLAMINE × 10 HEA HEME-A × 4 CU COPPER (II) ION × 2 CA CALCIUM ION × 2 CN3 (2R,5S,11R,14R)-5,8,11-trihydroxy-2-(nonanoyloxy)-5,11-dioxido-16-oxo-14-[(propanoyloxy)methyl]-4,6,10,12,15-pentaoxa-5,11-diphosphanonadec-1-yl undecanoate × 2 MG MAGNESIUM ION × 2 CUA DINUCLEAR COPPER ION × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；3 uL of sample, 5 s blot time, 30 s hold time, 0 blot force.
Resolution 2.57 Å
9ETZ III2IV respiratory supercomplex from Saccharomyces cerevisiae Deposited 2024-03-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 32 PDB declaration: 32-meric（32） Consistent with protein count
Chain c 1–269（269 aa）
Not recorded CDL CARDIOLIPIN × 11 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 26 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 UQ6 5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL × 2 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 1 HEA HEME-A × 2 CA CALCIUM ION × 1 MG MAGNESIUM ION × 1 CUA DINUCLEAR COPPER ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.