8Q1B: III2-IV1 respiratory supercomplex from S. pombe

PDB ID: 8Q1BDownload
MMDB ID: 238566
PDB Deposition Date: 2023/7/31
Updated in MMDB: 2025/12
Experimental Method:
electron microscopy
Resolution: 3.4  Å
Source Organism:
Similar Structures:
Biological Unit for 8Q1B: 33-meric; determined by author and by software
Molecular Components in 8Q1B
Label Count Molecule
Proteins (33 molecules)
2
Probable Mitochondrial-processing Peptidase Subunit Beta
(Gene symbol: qcr1)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 2, Mitochondrial
(Gene symbol: qcr2)
Molecule annotation
2
Cytochrome B
Molecule annotation
2
Cytochrome C1, Heme Protein, Mitochondrial
(Gene symbol: cyt1)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit Rieske, Mitochondrial
(Gene symbol: rip1)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 6
(Gene symbol: qcr6)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 7
(Gene symbol: qcr7)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 8
(Gene symbol: qcr8)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 9
(Gene symbol: qcr9)
Molecule annotation
2
Cytochrome B-c1 Complex Subunit 10
(Gene symbol: qcr10)
Molecule annotation
1
Cytochrome C Oxidase Subunit 1
Molecule annotation
1
Cytochrome C Oxidase Subunit 2
Molecule annotation
1
Cytochrome C Oxidase Subunit 3
Molecule annotation
1
Cytochrome C Oxidase Subunit 4, Mitochondrial
(Gene symbol: cox4)
Molecule annotation
1
Cytochrome C Oxidase Polypeptide 5, Mitochondrial
(Gene symbol: cox5)
Molecule annotation
1
Cytochrome C Oxidase Subunit 6, Mitochondrial
(Gene symbol: cox6)
Molecule annotation
1
Cytochrome C Oxidase Subunit 7
(Gene symbol: cox7)
Molecule annotation
1
Cytochrome C Oxidase Polypeptide Viii, Mitochondrial
(Gene symbol: cox8)
Molecule annotation
1
Cytochrome C Oxidase Subunit 9, Mitochondrial
(Gene symbol: cox9)
Molecule annotation
1
Cytochrome C Oxidase Subunit 12, Mitochondrial
(Gene symbol: cox12)
Molecule annotation
1
Cytochrome C Oxidase Subunit 13, Mitochondrial
(Gene symbol: cox13)
Molecule annotation
1
Respiratory Supercomplex Factor 2 Homolog C1565.01
(Gene symbol: SPAC1565.01)
Molecule annotation
1
Unknown Polypeptide
Molecule annotation
Chemicals and Non-standard biopolymers (39 molecules)
1
3
ZINC IONZINC ION
2
6
CARDIOLIPINCARDIOLIPIN
3
4
1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE
4
10
DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINEDI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE
5
4
PROTOPORPHYRIN IX CONTAINING FEPROTOPORPHYRIN IX CONTAINING FE
6
2
UBIQUINONE-10UBIQUINONE-10
7
2
HEME CHEME C
8
2
FE2/S2 (INORGANIC) CLUSTERFE2/S2 (INORGANIC) CLUSTER
9
2
HEME-AHEME-A
10
1
COPPER (II) IONCOPPER (II) ION
11
1
CALCIUM IONCALCIUM ION
12
1
MAGNESIUM IONMAGNESIUM ION
13
1
DINUCLEAR COPPER IONDINUCLEAR COPPER ION
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303